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AIs like ChatGPT rapidly got better in their early days, but what we’ve seen in the past 14-and-a-half months are only incremental gains, says Marcus. “The truth is, the core capabilities of these systems have either reached a plateau, or at least have slowed down in their improvement,” he adds.

the gaps between the performance of various AI models are closing. All of the best proprietary AI models are converging on about the same scores on tests of their abilities, and even free, open-source models, like those from Meta and Mistral, are catching up.

AI could become a commodity

A mature technology is one where everyone knows how to build it. Absent profound breakthroughs—which become exceedingly rare—no one has an edge in performance

companies look for efficiencies, and whoever is winning shifts from who is in the lead to who can cut costs to the bone. The last major technology this happened with was electric vehicles, and now it appears to be happening to AI.

the future for AI startups—like OpenAI and Anthropic—could be dim.

Microsoft and Google will be able to entice enough users to make their AI investments worthwhile, doing so will require spending vast amounts of money over a long period of time, leaving even the best-funded AI startups—with their comparatively paltry warchests—unable to compete.

Many other AI startups, even well-funded ones, are apparently in talks to sell themselves.

That difference is alarming, but what really matters to the long-term health of the industry is how much it costs to run AIs. 

the bottom line is that for a popular service that relies on generative AI, the costs of running it far exceed the already eye-watering cost of training it.

Changing people’s mindsets and habits will be among the biggest barriers to swift adoption of AI. That is a remarkably consistent pattern across the rollout of all new technologies.

That’s because AI has to think anew every single time something is asked of it, and the resources that AI uses when it generates an answer are far larger than what it takes to, say, return a conventional search result

For an almost entirely ad-supported company like Google, which is now offering AI-generated summaries across billions of search results, analysts believe delivering AI answers on those searches will eat into the company’s margins

Google, Microsoft and others said their revenue from cloud services went up, which they attributed in part to those services powering other company’s AIs. But sustaining that revenue depends on other companies and startups getting enough value out of AI to justify continuing to fork over billions of dollars to train and run those systems

three in four white-collar workers now use AI at work. Another survey, from corporate expense-management and tracking company Ramp, shows about a third of companies pay for at least one AI tool, up from 21% a year ago.

OpenAI doesn’t disclose its annual revenue, but the Financial Times reported in December that it was at least $2 billion, and that the company thought it could double that amount by 2025. 

That is still a far cry from the revenue needed to justify OpenAI’s now nearly $90 billion valuation

the company excels at generating interest and attention, but it’s unclear how many of those users will stick around. 

AI isn’t nearly the productivity booster it has been touted as

While these systems can help some people do their jobs, they can’t actually replace them. This means they are unlikely to help companies save on payroll. He compares it to the way that self-driving trucks have been slow to arrive, in part because it turns out that driving a truck is just one part of a truck driver’s job.

Add in the myriad challenges of using AI at work. For example, AIs still make up fake information,

getting the most out of open-ended chatbots isn’t intuitive, and workers will need significant training and time to adjust.

the industry spent $50 billion on chips from Nvidia to train AI in 2023, but brought in only $3 billion in revenue.

None of this is to say that today’s AI won’t, in the long run, transform all sorts of jobs and industries. The problem is that the current level of investment—in startups and by big companies—seems to be predicated on the idea that AI is going to get so much better, so fast, and be adopted so quickly that its impact on our lives and the economy is hard to comprehend. 

Mounting evidence suggests that won’t be the case.

The root causes of silence are not social solidarity but fear and futility. People bite their tongues when they doubt that it’s safe and worthwhile to speak up. Leaders who want to make informed decisions need to make it clear they value candid input.

Mr. Biden has done the opposite, declaring first that only the Lord almighty could change his mind and then saying that he’ll drop out only if polls say there’s no way for him to win. That sends a strong message

If you’re not an immortal being or a time traveler from the future, it’s pointless to share any concerns about the viability of his candidacy.

Showing openness can raise people’s confidence, but it’s not always enough to quell their fear. In our research, Constantinos Coutifaris and I found that it helps for leaders to criticize themselves out loud. That way, instead of just claiming that they want the truth, they can show that they can handle the truth.

Although it can help to assign devil’s advocates, it’s more effective to unearth them. Genuine dissenters argue more convincingly and get taken more seriously.

It’s time for Mr. Biden’s team to run an anonymous poll of advisers, governors and lawmakers. The results of the poll could be given to an honest broker — someone with a vested interest in winning the election rather than appeasing the president

To avoid pressure from the top, I might try a fishbowl format, asking Mr. Biden to listen first and speak last.

Over the past week, I’ve raised these ideas with several leaders close to the president who reached out for advice. They’ve each made it clear that they’re afraid to put their relationship on the line and they don’t think Mr. Biden will listen to them

I’ve reminded them that they’re lucky to have a president who doesn’t punish dissenters with an indefinite prison sentence or a trial for treason. That diffusion of responsibility is a recipe for groupthink — if everyone leaves it to someone else, no one will end up speaking up.

“President Biden, I know you believe that politicians shouldn’t let hubris cloud their judgment. I’m worried that people are telling you what you want to hear, not what you need to hear. We know the good things that could happen if you run and win, but we also need to discuss the good things that could happen if you don’t run. You could be hailed as a hero like George Washington for choosing not to seek another term. Regardless of the result, you could make history through your selfless stewardship of the next generation. Personally, I don’t know if that’s the right decision. I just want to make sure it gets due consideration. Would you be open to hosting a meeting to hear the dissenting views?

MAGA has replaced Reaganism as the chief operating system of the Republican Party.

If Democrats hope to win in the near future they have to take the MAGA worldview seriously, and respectfully make the case, especially to working-class voters, for something better.

In a volatile world, MAGA offers people security. It promises secure borders and secure neighborhoods. It offers protection from globalization, from the creative destruction of modern capitalism. It offers protection from an educated class that looks down on you and indoctrinates your children in school. It offers you protection from corporate predators.

the problem with MAGA — and here is where the Democratic opportunity lies — is that it emerges from a mode of consciousness that is very different from the traditional American consciousness.

we saw ourselves, as the dynamic nation par excellence. We didn’t have a common past, but we dreamed of a common futur

“the Spirit of America is best known in Europe by one of its qualities — energy.”

Americans have a zeal for continual self-improvement, a “need tirelessly to tinker, improve everything and everybody, never leave anything alone.”

Americans can’t be secure if the world is in flames. That’s why America has to be active abroad in places like Ukraine, keeping wolves like Vladimir Putin at bay.

Through most of our history, we were not known for our profundity or culture but for living at full throttle.

MAGA, on the other hand, emerges from a scarcity consciousness, a zero-sum mentality: If we let in tons of immigrants they will take all our jobs; if America gets browner, “they” will replace “us.”

MAGA is based on a series of victim stories: The elites are out to screw us. Our allies are freeloading off us. Secular America is oppressing Christian America.

MAGA looks less like an American brand of conservatism and more like a European brand of conservatism. It resembles all those generations of Russian chauvinists who argued that the Russian masses embody all that is good but they are threatened by aliens from the outside

MAGA looks like a kind of right-wing Marxism, which assumes that class struggle is the permanent defining feature of politics.

The American consciousness has traditionally been an abundance consciousness.

If Democrats are to thrive, they need to tap into America’s dynamic cultural roots and show how they can be applied to the 21st century

My favorite definition of dynamism is adapted from the psychologist John Bowlby: All of life is a series of daring explorations from a secure base. If Democrats are to thrive, they need to offer people a vision both of the secure base and of the daring explorations.

MAGA is a fortress mentality, but America has traditionally been defined by a pioneering mentality. MAGA offers a strong shell, but not much in the way of wings needed to soar.

Americans can’t be secure if the border is in chaos. Popular support for continued immigration depends on a sense that the government has things under control.

Americans can’t be secure if a single setback will send people to the depths of crushing poverty. That’s why the social insurance programs that Democrats largely built are so important.

offer people a vision of the daring explorations that await them. That’s where the pessimistic post-Reagan Republicans can’t compete

champion the abundance agenda that people like Derek Thompson and my colleague Ezra Klein have been writing about. We need to build things. Lots of new homes. Supersonic airplanes and high-speed trains.

If Republicans are going to double down on class war rhetoric — elites versus masses — Democrats need to get out of that business

They need to stand up to protectionism, not join the stampede.

Democrats need to take on their teachers’ unions and commit to dynamism in the field of education.

Democrats need to throttle back the regulators who have been given such free rein that they’ve stifled innovation.

tap back into the more traditional American aspiration: We are not sentenced to a permanent class-riven future but can create a fluid, mobile society.

The economist Michael Strain of the American Enterprise Institute has offered a telling psychic critique of MAGA economic thinking: “The economics of grievance is ineffective, counterproductive and corrosive, eroding the foundations of prosperity. Messages matter. Tell people that the system is rigged, and they will aspire to less

Champion personal responsibility, and they will lift their aspirations. Promoting an optimistic vision of economic life can increase risk tolerance, ambition, effort and dynamism.”

t aspiration is not like a brick that just sits there. Aspiration is more like a flame that can be fed or dampened

“The problem is desire. We need to *want* these things. The problem is inertia. We need to want these things more than we want to prevent these things.”

“The effects of seismicity have been speculated by past scholars, but no factual evidence has been reported before our study,” Dr. Sparice said, adding that the finding was “very exciting.”

The team focused on the Insula of the Chaste Lovers. This area encompasses several buildings, including a bakery and a house where painters were evidently interrupted by the eruption, leaving their frescoes uncolored. After excavation and careful analysis, the researchers concluded that walls in the insula had collapsed because of an earthquake.

First, they ruled out hazards such as falling debris as a primary cause of the destruction — a deposit of stones under the wall fragments in the insula suggested it did not crumble during the eruption’s initial stage. Then they compared the damage to known effects of seismic destruction — for example, on historical buildings.

The excavation also revealed a pair of skeletons covered with wall fragments in the insula. One skeleton even showed signs of having attempted to take cover. According to the researchers, bone fracture patterns and crushing injuries observed in modern earthquake victims are evidence that these unfortunate Romans were killed by a building collapse.

The end result is an updated timeline of Pompeii’s epic demise: First, volcanic lapilli (small stones) rained down for 18 hours, causing many roofs to collapse and killing people who sought shelter. Then, an earthquake triggered by the eruption violently rocked the city, killing even more residents. Finally, massive flows of ash and debris streamed through the city streets, sealing Pompeii’s fate for eternity.

“The evidence is always there — it just takes new questions, and new eyes, to look for it,” he said. “Archaeology shouldn’t be an entirely insular profession.”

Dr. Dicus pointed to how archaeologists are bringing in experts from the fields of architecture, data science and forensic anthropology to answer questions about the lives of average people in Pompeii, and not just their deaths.