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"When people talk about metabolism, they think diet and exercise - but it is deeper than that, we are actually watching your body, your cells, at work," Prof Herman Pontzer, from Duke University, told BBC News."They are incredibly busy at one year old and when we see declines with age, we are seeing your cells stopping working."

Prof Tom Sanders, from King's College London, said: "Interestingly, they found very little differences in total energy expenditure between early adult life and middle age - a time when most adults in developed countries put on weight. "These findings would support the view that the obesity epidemic is fuelled by excess food energy intake and not a decline in energy expenditure."

What could possibly be challenging about being a billionaire, you might ask. Well, what would it be like if you couldn’t trust those close to you? Or if you looked at any new person in your life with deep suspicion? I hear this from my clients all the time: “What do they want from me?”; or “How are they going to manipulate me?”; or “They are probably only friends with me because of my money.”

Too many of my clients want to indulge their children so “they never have to suffer what I had to suffer” while growing up.

If all your necessities and much more were covered for the rest of your life – you might struggle with a lack of meaning and ambition too. My clients are often bored with life and too many times this leads to them chasing the next high – chemically or otherwise – to fill that void.

Then there are the struggles with purpose – the depression that sets in when you feel like you have no reason to get out of bed. Why bother going to work when the business you have built or inherited runs itself without you now?

There is a perception that money can immunise you against mental-health problems when actually, I believe that wealth can make you – and the people closest to you – much more susceptible to them.

But the result is that they prevent their children from experiencing the very things that made them successful: sacrifice, hard work, overcoming failure and developing resilience. An over-indulged child develops into an entitled adult who has low self-confidence, low self-esteem, and a complete lack of grit.

These very wealthy children start out by going to elite boarding schools and move on to elite universities – developing a language and culture among their own kind. Rarely do they create friendships with non-wealthy people; this can lead to feelings of isolation and being trapped inside a very small bubble.

There are few people in the world to whom they can actually relate, which of course leads to a lack of empathy

Notice the awkwardness and lack of human connection and how dreadfully they treat each other. It’s fascinating and frightening. When one leads a life without consequences (for being rude to a waiter or cruel to a sibling, for example) there really is no reason to not do these things. After a while, it becomes normalised and accepted. Living a life without rules isn’t good for anyone.

“It is hard to look at increasing trends in media consumption of all types, media multitasking and rates of ADHD in young people and not conclude that there is a decrease in their attention span,

Emerging research suggests that watching short, fast-paced videos makes it harder for kids to sustain activities that don’t offer instant—and constant—gratification.

One of the few studies specifically examining TikTok-related effects on the brain focused on Douyin, the TikTok equivalent in China, made by the same Chinese parent company, ByteDance Ltd. It found that the personalized videos the app’s recommendation engine shows users activate the reward centers of the brain, as compared with the general-interest videos shown to new users.

Brain scans of Chinese college students showed that areas involved in addiction were highly activated in those who watched personalized videos.

It also found some people have trouble controlling when to stop watching.

attention. “If kids’ brains become accustomed to constant changes, the brain finds it difficult to adapt to a nondigital activity where things don’t move quite as fast,”

A TikTok spokeswoman said the company wants younger teens to develop positive digital habits early on, and that it recently made some changes aimed at curbing extensive app usage. For example, TikTok won’t allow users ages 13 to 15 to receive push notifications after 9 p.m. TikTok also periodically reminds users to take a break to go outside or grab a snack.

Kids have a hard time pulling away from videos on YouTube, too, and Google has made several changes to help limit its use, including turning off autoplay by default on accounts of people under 18.

When kids do things that require prolonged focus, such as reading or solving math problems, they’re using directed attention

This function starts in the prefrontal cortex, the part of the brain responsible for decision making and impulse control.

“Directed attention is the ability to inhibit distractions and sustain attention and to shift attention appropriately. It requires higher-order skills like planning and prioritizing,”

Kids generally have a harder time doing this—and putting down their videogame controllers—because the prefrontal cortex isn’t fully developed until age 25.

“We speculate that individuals with lower self-control ability have more difficulty shifting attention away from favorite video stimulation,

“In the short-form snackable world, you’re getting quick hit after quick hit, and as soon as it’s over, you have to make a choice,” said Mass General’s Dr. Marci, who wrote the new book “Rewired: Protecting Your Brain in the Digital Age.” The more developed the prefrontal cortex, the better the choices.

Dopamine is a neurotransmitter that gets released in the brain when it’s expecting a reward. A flood of dopamine reinforces cravings for something enjoyable, whether it’s a tasty meal, a drug or a funny TikTok video.

“TikTok is a dopamine machine,” said John Hutton, a pediatrician and director of the Reading & Literacy Discovery Center at Cincinnati Children’s Hospital. “If you want kids to pay attention, they need to practice paying attention.”

Researchers are just beginning to conduct long-term studies on digital media’s effects on kids’ brains. The National Institutes of Health is funding a study of nearly 12,000 adolescents as they grow into adulthood to examine the impact that many childhood experiences—from social media to smoking—have on cognitive development.

she predicts they will find that when brains repeatedly process rapid, rewarding content, their ability to process less-rapid, less-rewarding things “may change or be harmed.”

“It’s like we’ve made kids live in a candy store and then we tell them to ignore all that candy and eat a plate of vegetables,”

“We have an endless flow of immediate pleasures that’s unprecedented in human history.”

Parents and kids can take steps to boost attention, but it takes effort

Swap screen time for real time. Exercise and free play are among the best ways to build attention during childhood,

“Depriving kids of tech doesn’t work, but simultaneously reducing it and building up other things, like playing outside, does,”

Practice restraint.

“When you practice stopping, it strengthens those connections in the brain to allow you to stop again next time.”

Use tech’s own tools. TikTok has a screen-time management setting that allows users to cap their app usage.

Ensure good sleep. Teens are suffering from a sleep deficit.

Another aspect of development that may be happening for her is a stage that the psychologist Erik Erikson called “identity versus role diffusion” (also referred to as “role confusion”), which is shorthand for children figuring out their position in the world. “This is the first time when kids have questions about their own existence, questions about self-identity, the meaning of life and the changing role of authority,” Hunter said.

"When we innovate, we have to depart from existing solutions and come up with new ideas by drawing broadly from our knowledge. Coming up with alternative ways to use known objects requires the same psychological process," she explained.

Researchers also used eye-tracking software, which found that virtual participants spent more time looking directly at their partner, as opposed to gazing around the room.

"This visual focus on the screen narrows cognition. In other words, people are more focused when interacting on video, which hurts the broad, expansive idea generation process," Brucks said.

"Objects in the room can prompt new associations easier than trying to generate them all internally,"

"The field study shows that the negative effects of videoconferencing on idea generation is not limited to simplistic tasks and can play out in more complicated and high-tech brainstorming sessions as well," she said.

The study found that videoconferencing didn't hinder all collaborative work

However, she said it was a mistake to conclude that creativity and videoconferencing are incompatible.

"Perhaps many of us make friends faster in person than over Zoom, and creativity flourishes when we're relaxed. But when Zooming from home, people are probably more relaxed than when in an experiment," she added.

"I wouldn't want to see a company double their in-person meetings hoping to improve their innovation, if this also means doubling the commute time resulting in less happy -- and perhaps less creative -- employees."

a reminder to stay informed and vigilant against groupthink.

A common refrain in battles about Covid-19 and vaccination, politics and conspiracy theories, parenting, drugs, food, stock trading and media, it signals not just a rejection of authority but often trust in another kind.

“Do your own research” is an idea central to Joe Rogan’s interview podcast, the most listened to program on Spotify, where external claims of expertise are synonymous with admissions of malice. In its current usage, DYOR is often an appeal to join in, rendered in the language of opting out.

“There’s this idea that the goal of science is consensus,” Professor Carrion said. “The model they brought to it was that we didn’t need consensus.” She noted that the women she surveyed often used singular rather than plural pronouns. “It was ‘she needs to do her own research,” Professor Carrion said, rather than we need to do ours. Unlike some critical health movements in the past, this was an individualist endeavor.

One of the enticing aspects of cryptocurrencies, which pose an alternative to traditional financial institutions, is that expertise is available to anyone who wants to claim it.

In crypto, the uses of DYOR are various and contradictory, earnest and ironic sometimes within the same discussion. Breathless investment pitches for new coins are punctuated with “NFA/DYOR” (not financial advice), or admonitions not to invest more than you can afford to lose, which many people are obviously ignoring; stories about getting rich are prefaced with DYOR; requests for advice about which coins to hold are answered with DYOR. It is the siren song of crypto investing.

In that way — the momentum of a group — crypto investing isn’t altogether distinct from how people have invested in the stock market for decades. Though here it is tinged with a rebellious, anti-authoritarian streak: We’re outsiders, in this together; we’re doing something sort of ridiculous, but also sort of cool.

“Now it seems like DYOR can only do so much,” the user wrote. Eventually, the user said, you end up relying on “trust.”

It also comes amid an ongoing, global battle over the future of platform moderation, with officials in Europe seeking to heighten standards surrounding tech companies' content decision-making and lawmakers in many US states seeking to force platforms to moderate less.

No, says the other camp, led by Jonathan Haidt; the kids are not all right, their devices are partly to blame, and here are the studies showing why.

we should not wait for the replication crisis in the social sciences to resolve itself before we consider the question of whether the naysayers are on to something. And normal powers of observation and imagination should be sufficient to make us at least wary of smartphones.

These powerful instruments represent a technological advance on par with that of the power loom or the automobile

The achievement can be difficult to properly appreciate because instead of exerting power over physical processes and raw materials, they operate on social processes and the human psyche: They are designed to maximize attention, to make it as difficult as possible to look away.

they have transformed the qualitative experience of existing in the world. They give a person’s sociality the appearance and feeling of a theoretically endless open network, while in reality, algorithms quietly sort users into ideological, aesthetic, memetic cattle chutes of content.

Importantly, the process by which smartphones change us requires no agency or judgment on the part of a teen user, and yet that process is designed to provide what feels like a perfectly natural, inevitable, and complete experience of the world.

Smartphones offer a tactile portal to a novel digital environment, and this environment is not the kind of space you enter and leave

One reason commonly offered for maintaining our socio-technological status quo is that nothing really has changed with the advent of the internet, of Instagram, of Tiktok and Youtube and 4Chan

It is instead a complete shadow world of endless images; disembodied, manipulable personas; and the ever-present gaze of others. It lives in your pocket and in your mind.

The price you pay for its availability—and the engine of its functioning—is that you are always available to it, as well. Unless you have a strength of will that eludes most adults, its emissaries can find you at any hour and in any place to issue your summons to the grim pleasure palace.

the self-restraint and self-discipline required to use a smartphone well—that is, to treat it purely as an occasional tool rather than as a totalizing way of life—are unreasonable things to demand of teenagers

these are unreasonable things to demand of me, a fully adult woman

To enjoy the conveniences that a smartphone offers, I must struggle against the lure of the permanent scroll, the notification, the urge to fix my eyes on the circle of light and keep them fixed. I must resist the default pseudo-activity the smartphone always calls its user back to, if I want to have any hope of filling the moments of my day with the real activity I believe is actually valuable.

for a child or teen still learning the rudiments of self-control, still learning what is valuable and fulfilling, still learning how to prioritize what is good over the impulse of the moment, it is an absurd bar to be asked to clear

The expectation that children and adolescents will navigate new technologies with fully formed and muscular capacities for reason and responsibility often seems to go along with a larger abdication of responsibility on the part of the adults involved.

adults have frequently given in to a Faustian temptation: offering up their children’s generation to be used as guinea pigs in a mass longitudinal study in exchange for a bit more room to breathe in their own undeniably difficult roles as educators, caretakers, and parents.

It is not a particular activity that you start and stop and resume, and it is not a social scene that you might abandon when it suits you.

And this we must do without waiting for social science to hand us a comprehensive mandate it is fundamentally unable to provide; without cowering in panic over moral panics

The pre-internet advertising world was vicious, to be sure, but when the “pre-” came off, its vices were moved into a compound interest account. In the world of online advertising, at any moment, in any place, a user engaged in an infinite scroll might be presented with native content about how one Instagram model learned to accept her chunky (size 4) thighs, while in the next clip, another model relates how a local dermatologist saved her from becoming an unlovable crone at the age of 25

developing pathological interests and capacities used to take a lot more work than it does now

You had to seek it out, as you once had to seek out pornography and look someone in the eye while paying for it. You were not funneled into it by an omnipresent stream of algorithmically curated content—the ambience of digital life, so easily mistaken by the person experiencing it as fundamentally similar to the non-purposive ambience of the natural world.

And when interpersonal relations between teens become sour, nasty, or abusive, as they often do and always have, the unbalancing effects of transposing social life to the internet become quite clear

For both young men and young women, the pornographic scenario—dominance and degradation, exposure and monetization—creates an experiential framework for desires that they are barely experienced enough to understand.

This is not a world I want to live in. I think it hurts everyone; but I especially think it hurts those young enough to receive it as a natural state of affairs rather than as a profound innovation.

so I am baffled by the most routine objection to any blaming of smartphones for our society-wide implosion of teenagers’ mental health,

In short, and inevitably, today’s teenagers are suffering from capitalism—specifically “late capitalism,

what shocks me about this rhetorical approach is the rush to play defense for Apple and its peers, the impulse to wield the abstract concept of capitalism as a shield for actually existing, extremely powerful, demonstrably ruthless capitalist actors.

This motley alliance of left-coded theory about the evils of business and right-coded praxis in defense of a particular evil business can be explained, I think, by a deeper desire than overthrowing capitalism. It is the desire not to be a prude or hysteric of bumpkin

No one wants to come down on the side of tamping off pleasures and suppressing teen activity.

No one wants to be the shrill or leaden antagonist of a thousand beloved movies, inciting moral panics, scheming about how to stop the youths from dancing on Sunday.

But commercial pioneers are only just beginning to explore new frontiers in the profit-driven, smartphone-enabled weaponization of our own pleasures against us

To limit your moral imagination to the archetypes of the fun-loving rebel versus the stodgy enforcers in response to this emerging reality is to choose to navigate it with blinders on, to be a useful idiot for the robber barons of online life rather than a challenger to the corrupt order they maintain.

The very basic question that needs to be asked with every product rollout and implementation is what technologies enable a good human life?

this question is not, ultimately, the province of social scientists, notwithstanding how useful their work may be on the narrower questions involved. It is the free privilege, it is the heavy burden, for all of us, to think—to deliberate and make judgments about human good, about what kind of world we want to live in, and to take action according to that thought.

I am not sure how to build a world in which childrens and adolescents, at least, do not feel they need to live their whole lives online.

whatever particular solutions emerge from our negotiations with each other and our reckonings with the force of cultural momentum, they will remain unavailable until we give ourselves permission to set the terms of our common life.

But the environments in which humans find themselves vary significantly, and in ways that have equally significant downstream effects on the particular expression of human nature in that context.

most of all, without affording Apple, Facebook, Google, and their ilk the defensive allegiance we should reserve for each other.

“The curriculum covers topics from causal modeling and probability to game theory and cognitive science,” read a website promising teens a summer of Rationalist learning. “How can we understand our own reasoning, behavior, and emotions? How can we think more clearly and better achieve our goals?”

Some lived in group houses. Some practiced polyamory. “They are basically just hippies who talk a lot more about Bayes’ theorem than the original hippies,” said Scott Aaronson, a University of Texas professor who has stayed in one of the group houses.

For Kelsey Piper, who embraced these ideas in high school, around 2010, the movement was about learning “how to do good in a world that changes very rapidly.”

Yes, the community thought about A.I., she said, but it also thought about reducing the price of health care and slowing the spread of disease.

Slate Star Codex, which sprung up in 2013, helped her develop a “calibrated trust” in the medical system. Many people she knew, she said, felt duped by psychiatrists, for example, who they felt weren’t clear about the costs and benefits of certain treatment.

That was not the Rationalist way.

“There is something really appealing about somebody explaining where a lot of those ideas are coming from and what a lot of the questions are,” she said.

Sam Altman, chief executive of OpenAI, an artificial intelligence lab backed by a billion dollars from Microsoft. He was effusive in his praise of the blog.It was, he said, essential reading among “the people inventing the future” in the tech industry.

Mr. Altman, who had risen to prominence as the president of the start-up accelerator Y Combinator, moved on to other subjects before hanging up. But he called back. He wanted to talk about an essay that appeared on the blog in 2014.The essay was a critique of what Mr. Siskind, writing as Scott Alexander, described as “the Blue Tribe.” In his telling, these were the people at the liberal end of the political spectrum whose characteristics included “supporting gay rights” and “getting conspicuously upset about sexists and bigots.”

But as the man behind Slate Star Codex saw it, there was one group the Blue Tribe could not tolerate: anyone who did not agree with the Blue Tribe. “Doesn’t sound quite so noble now, does it?” he wrote.

Mr. Altman thought the essay nailed a big problem: In the face of the “internet mob” that guarded against sexism and racism, entrepreneurs had less room to explore new ideas. Many of their ideas, such as intelligence augmentation and genetic engineering, ran afoul of the Blue Tribe.

Mr. Siskind was not a member of the Blue Tribe. He was not a voice from the conservative Red Tribe (“opposing gay marriage,” “getting conspicuously upset about terrorists and commies”). He identified with something called the Grey Tribe — as did many in Silicon Valley.

The Grey Tribe was characterized by libertarian beliefs, atheism, “vague annoyance that the question of gay rights even comes up,” and “reading lots of blogs,” he wrote. Most significantly, it believed in absolute free speech.

The essay on these tribes, Mr. Altman told me, was an inflection point for Silicon Valley. “It was a moment that people talked about a lot, lot, lot,” he said.

And in some ways, two of the world’s prominent A.I. labs — organizations that are tackling some of the tech industry’s most ambitious and potentially powerful projects — grew out of the Rationalist movement.

In 2005, Peter Thiel, the co-founder of PayPal and an early investor in Facebook, befriended Mr. Yudkowsky and gave money to MIRI. In 2010, at Mr. Thiel’s San Francisco townhouse, Mr. Yudkowsky introduced him to a pair of young researchers named Shane Legg and Demis Hassabis. That fall, with an investment from Mr. Thiel’s firm, the two created an A.I. lab called DeepMind.

Like the Rationalists, they believed that A.I could end up turning against humanity, and because they held this belief, they felt they were among the only ones who were prepared to build it in a safe way.

In 2014, Google bought DeepMind for $650 million. The next year, Elon Musk — who also worried A.I. could destroy the world and met his partner, Grimes, because they shared an interest in a Rationalist thought experiment — founded OpenAI as a DeepMind competitor. Both labs hired from the Rationalist community.

Mr. Aaronson, the University of Texas professor, was turned off by the more rigid and contrarian beliefs of the Rationalists, but he is one of the blog’s biggest champions and deeply admired that it didn’t avoid live-wire topics.

“It must have taken incredible guts for Scott to express his thoughts, misgivings and questions about some major ideological pillars of the modern world so openly, even if protected by a quasi-pseudonym,” he said

In late June of last year, not long after talking to Mr. Altman, the OpenAI chief executive, I approached the writer known as Scott Alexander, hoping to get his views on the Rationalist way and its effect on Silicon Valley. That was when the blog vanished.

The issue, it was clear to me, was that I told him I could not guarantee him the anonymity he’d been writing with. In fact, his real name was easy to find because people had shared it online for years and he had used it on a piece he’d written for a scientific journal. I did a Google search for Scott Alexander and one of the first results I saw in the auto-complete list was Scott Alexander Siskind.

More than 7,500 people signed a petition urging The Times not to publish his name, including many prominent figures in the tech industry. “Putting his full name in The Times,” the petitioners said, “would meaningfully damage public discourse, by discouraging private citizens from sharing their thoughts in blog form.” On the internet, many in Silicon Valley believe, everyone has the right not only to say what they want but to say it anonymously.

I spoke with Manoel Horta Ribeiro, a computer science researcher who explores social networks at the Swiss Federal Institute of Technology in Lausanne. He was worried that Slate Star Codex, like other communities, was allowing extremist views to trickle into the influential tech world. “A community like this gives voice to fringe groups,” he said. “It gives a platform to people who hold more extreme views.”

I assured her my goal was to report on the blog, and the Rationalists, with rigor and fairness. But she felt that discussing both critics and supporters could be unfair. What I needed to do, she said, was somehow prove statistically which side was right.

When I asked Mr. Altman if the conversation on sites like Slate Star Codex could push people toward toxic beliefs, he said he held “some empathy” for these concerns. But, he added, “people need a forum to debate ideas.”

In August, Mr. Siskind restored his old blog posts to the internet. And two weeks ago, he relaunched his blog on Substack, a company with ties to both Andreessen Horowitz and Y Combinator. He gave the blog a new title: Astral Codex Ten. He hinted that Substack paid him $250,000 for a year on the platform. And he indicated the company would give him all the protection he needed.

Some are motivated by potential business revenue, others by national security concerns.

Sometimes, they trade letters, opinion essays or social threads outlining their positions and attacking others’ in public view. More often, they tout their viewpoints without acknowledging alternatives, leaving the impression that their enlightened perspective is the inevitable lens through which to view A.I.

you’ll realize this isn’t really a debate only about A.I. It’s also a contest about control and power, about how resources should be distributed and who should be held accountable.

It is critical that we begin to recognize the ideologies driving what we are being told. Resolving the fracas requires us to see through the specter of A.I. to stay true to the humanity of our values.

Because language itself is part of their battleground, the different A.I. camps tend not to use the same words to describe their positions

One faction describes the dangers posed by A.I. through the framework of safety, another through ethics or integrity, yet another through security and others through economics.

The Doomsayers

These are the A.I. safety people, and their ranks include the “Godfathers of A.I.,” Geoff Hinton and Yoshua Bengio. For many years, these leading lights battled critics who doubted that a computer could ever mimic capabilities of the human mind

Many doomsayers say they are acting rationally, but their hype about hypothetical existential risks amounts to making a misguided bet with our future

Reasonable sounding on their face, these ideas can become dangerous if stretched to their logical extremes. A dogmatic long-termer would willingly sacrifice the well-being of people today to stave off a prophesied extinction event like A.I. enslavement.

The technology historian David C. Brock calls these fears “wishful worries” — that is, “problems that it would be nice to have, in contrast to the actual agonies of the present.”

OpenAI’s Sam Altman and Meta’s Mark Zuckerberg, both of whom lead dominant A.I. companies, are pushing for A.I. regulations that they say will protect us from criminals and terrorists. Such regulations would be expensive to comply with and are likely to preserve the market position of leading A.I. companies while restricting competition from start-ups

the roboticist Rodney Brooks has pointed out that we will see the existential risks coming, the dangers will not be sudden and we will have time to change course.

While we shouldn’t dismiss the Hollywood nightmare scenarios out of hand, we must balance them with the potential benefits of A.I. and, most important, not allow them to strategically distract from more immediate concerns.

The Reformers

While the doomsayer faction focuses on the far-off future, its most prominent opponents are focused on the here and now. We agree with this group that there’s plenty already happening to cause concern: Racist policing and legal systems that disproportionately arrest and punish people of color. Sexist labor systems that rate feminine-coded résumés lower

Superpower nations automating military interventions as tools of imperialism and, someday, killer robots.

Propagators of these A.I. ethics concerns — like Meredith Broussard, Safiya Umoja Noble, Rumman Chowdhury and Cathy O’Neil — have been raising the alarm on inequities coded into A.I. for years. Although we don’t have a census, it’s noticeable that many leaders in this cohort are people of color, women and people who identify as L.G.B.T.Q.

Others frame efforts to reform A.I. in terms of integrity, calling for Big Tech to adhere to an oath to consider the benefit of the broader public alongside — or even above — their self-interest. They point to social media companies’ failure to control hate speech or how online misinformation can undermine democratic elections. Adding urgency for this group is that the very companies driving the A.I. revolution have, at times, been eliminating safeguards

reformers tend to push back hard against the doomsayers’ focus on the distant future. They want to wrestle the attention of regulators and advocates back toward present-day harms that are exacerbated by A.I. misinformation, surveillance and inequity.

Integrity experts call for the development of responsible A.I., for civic education to ensure A.I. literacy and for keeping humans front and center in A.I. systems.

Surely, we are a civilization big enough to tackle more than one problem at a time; even those worried that A.I. might kill us in the future should still demand that it not profile and exploit us in the present.

Other groups of prognosticators cast the rise of A.I. through the language of competitiveness and national security.

Some arguing from this perspective are acting on genuine national security concerns, and others have a simple motivation: money. These perspectives serve the interests of American tech tycoons as well as the government agencies and defense contractors they are intertwined with.

they appear deeply invested in the idea that there is no limit to what their creations will be able to accomplish.

U.S. megacompanies pleaded to exempt their general purpose A.I. from the tightest regulations, and whether and how to apply high-risk compliance expectations on noncorporate open-source models emerged as a key point of debate. All the while, some of the moguls investing in upstart companies are fighting the regulatory tide. The Inflection AI co-founder Reid Hoffman argued, “The answer to our challenges is not to slow down technology but to accelerate it.”

The warriors’ narrative seems to misrepresent that science and engineering are different from what they were during the mid-20th century. A.I. research is fundamentally international; no one country will win a monopoly.

As the science-fiction author Ted Chiang has said, fears about the existential risks of A.I. are really fears about the threat of uncontrolled capitalism

Regulatory solutions do not need to reinvent the wheel. Instead, we need to double down on the rules that we know limit corporate power. We need to get more serious about establishing good and effective governance on all the issues we lost track of while we were becoming obsessed with A.I., China and the fights picked among robber barons.

By analogy to the health care sector, we need an A.I. public option to truly keep A.I. companies in check. A publicly directed A.I. development project would serve to counterbalance for-profit corporate A.I. and help ensure an even playing field for access to the 21st century’s key technology while offering a platform for the ethical development and use of A.I.

Also, we should embrace the humanity behind A.I. We can hold founders and corporations accountable by mandating greater A.I. transparency in the development stage, in addition to applying legal standards for actions associated with A.I. Remarkably, this is something that both the left and the right can agree on.

Perhaps the best example of what Twitter offers now—and what we stand to gain or lose from its demise—is illustrated by the path charted by public-health officials, epidemiologists, doctors, and nurses over the past three years.

They offered guidance that a flailing government response was too slow to provide, and helped cobble together an epidemiological picture of infections and case counts. At a moment when people were terrified and looking for any information at all, Twitter seemed to offer a steady stream of knowledgeable, diligent experts.

But Twitter does another thing quite well, and that’s crushing users with the pressures of algorithmic rewards and all of the risks, exposure, and toxicity that come with virality

t imagining a world without it can feel impossible. What do our politics look like without the strange feedback loop of a Twitter-addled political press and a class of lawmakers that seems to govern more via shitposting than by legislation

What happens if the media lose what the writer Max Read recently described as a “way of representing reality, and locating yourself within it”? The answer is probably messy.

here’s the worry that, absent a distributed central nervous system like Twitter, “the collective worldview of the ‘media’ would instead be over-shaped, from the top down, by the experiences and biases of wealthy publishers, careerist editors, self-loathing journalists, and canny operators operating in relatively closed social and professional circles.”

many of the most hyperactive, influential twitterati (cringe) of the mid-2010s have built up large audiences and only broadcast now: They don’t read their mentions, and they rarely engage. In private conversations, some of those people have expressed a desire to see Musk torpedo the site and put a legion of posters out of their misery.

Many of the past decade’s most polarizing and influential figures—people such as Donald Trump and Musk himself, who captured attention, accumulated power, and fractured parts of our public consciousness—were also the ones who were thought to be “good” at using the website.

the effects of Twitter’s chief innovation—its character limit—on our understanding of language, nuance, and even truth.

“These days, it seems like we are having languages imposed on us,” he said. “The fact that you have a social media that tells you how many characters to use, this is language imposition. You have to wonder about the agenda there. Why does anyone want to restrict the full range of my language? What’s the game there?

in McLuhanian fashion, the constraints and the architecture change not only what messages we receive but how we choose to respond. Often that choice is to behave like the platform itself: We are quicker to respond and more aggressive than we might be elsewhere, with a mindset toward engagement and visibility

it’s easy to argue that we stand to gain something essential and human if we lose Twitter. But there is plenty about Twitter that is also essential and human.

No other tool has connected me to the world—to random bits of news, knowledge, absurdist humor, activism, and expertise, and to scores of real personal interactions—like Twitter has

What makes evaluating a life beyond Twitter so hard is that everything that makes the service truly special is also what makes it interminable and toxic.

the worst experience you can have on the platform is to “win” and go viral. Generally, it seems that the more successful a person is at using Twitter, the more they refer to it as a hellsite.

The inquest heard evidence from a child psychiatrist, Dr Navin Venugopal, who said Molly had been “placed at risk” by the content she had viewed. The headteacher at Molly’s secondary school also gave evidence, describing how it was “almost impossible” to keep track of the risks posed to pupils by social media.

There is no such thing as a trans child. Mermaids passionately advocates for the availability of puberty blockers for kids, despite the growing bank of evidence that they can cause a multitude of harms. The vast majority of those prescribed blockers go to take cross-sex hormones further down the line.

In the dim and distant past, lobotomies were performed on those with mental illness and psychosis, and today distressed children are being fed the line that they are trapped in the wrong body and that drugs and surgery is the solution. When and how did it become acceptable to pump kids full of harmful hormones and remove healthy body parts as opposed to offering them therapy?

I was in court during the cross examination of Mermaids and its supporter, and heard loud and clear its dismissal of the fact that sex is immutable. As far as Mermaids and its lackeys are concerned, all that is necessary to identify and live as the opposite sex is an inner ‘feeling’ of gender identity. The witnesses declared that trans men are men, and trans women, women. They were seemingly unconcerned when presented with the fact that there has been a 4000-plus per cent increase in girls presenting at clinics such as the Tavistock GIDS, claiming to be trans boys.

A recent interim report on the Tavistock GIDs recommended that it be closed down in due course, and that much of the ‘treatment’ at the clinic was focused solely on affirming a child’s trans identity and not scrutinising related issues such as mental health issues, autistic disorders, and abuse within the family home.

I first contacted Mermaids in 2003, when investigating the notion of ‘trans children’ and was given the cold shoulder. Many other individuals and organisations that have grave concerns about its practices have spoken out, and as a result have been labelled bigots and transphobes. That we are now about to be validated is little comfort, bearing in mind the number of lives ruined by irreversible medical intervention on children who, if supported therapeutically, would likely have grown up to be lesbian or gay.

As a result of its spiteful attempt to discredit LGB Alliance, it seems the practice and ideology of Mermaids is now being exposed. In my view it is an organisation led by dangerous ideology that promotes medical intervention to kids that simply need to be supported in who they are and in the bodies they were born with. I believe it deserves to be shut down.