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Laugh all you want, fuzzball, but Google is changing how YouTube uploaders manage comments on their videos. The new system, which began rolling out to a limited number of uploaders on Tuesday, favors relevancy over recency and introduces enhanced moderation tools. The new commenting system, which is powered by Google+ and was developed in collaboration between the YouTube and Google+ teams, provides several new tools for moderation, said Nundu Janakiram, product manager at YouTube. It will default to showing YouTube viewers the most relevant comments first, such as those by the video uploader or channel owner. "Currently, you see comments from the last random person to stop by," Janakiram said. "The new system tries to surface the most meaningful conversation to you. We're trying to shift from comments to meaningful conversations," he said.

He explained that three main factors determine which comments are more relevant: community engagement by the commenter, up-votes for a particular comment, and commenter reputation. If you've been flagged for spam or abuse, don't be surprised to find your comments buried, but that also means that celebrities who have strong Google+ reputations will be boosted above others. There's more to the system than just relevancy, though. Because the system is powered by Google+, comments made on posts with YouTube links in the social network will show up on YouTube itself. So, you'll see comments from people in your Google+ Circles higher up, too. Just because it's powered by Google+ doesn't mean that you'll lose your YouTube identity, though. "You are still allowed to use pseudonyms," said Janakiram, whether you're "a Syrian dissident or SoulPancake". Another feature, and one that speaks directly to YouTube's goal of fostering conversations, is that you'll be able to comment publicly or privately to people in your Circles. Replies will be threaded like Gmail. The hope is that new moderation tools will make it easier for video owners to guide the conversation, Janakiram explained. "There have been challenges in the past with certain comments and what's been shown there."

In early 2012, members of the hacking collective Anonymous carried out a series of cyber attacks on government and corporate websites in Brazil. They did so under the direction of a hacker who, unbeknownst to them, was wearing another hat: helping the Federal Bureau of Investigation carry out one of its biggest cybercrime investigations to date. A year after leaked files exposed the National Security Agency's efforts to spy on citizens and companies in Brazil, previously unpublished chat logs obtained by Motherboard reveal that while under the FBI's supervision, Hector Xavier Monsegur, widely known by his online persona, "Sabu," facilitated attacks that affected Brazilian websites. The operation raises questions about how the FBI uses global internet vulnerabilities during cybercrime investigations, how it works with informants, and how it shares information with other police and intelligence agencies. 

After his arrest in mid-2011, Monsegur continued to organize cyber attacks while working for the FBI. According to documents and interviews, Monsegur passed targets and exploits to hackers to disrupt government and corporate servers in Brazil and several other countries. Details about his work as a federal informant have been kept mostly secret, aired only in closed-door hearings and in redacted documents that include chat logs between Monsegur and other hackers. The chat logs remain under seal due to a protective order upheld in court, but in April, they and other court documents were obtained by journalists at Motherboard and the Daily Dot. 

The information security world is focused on two new security vulnerabilities, “Spectre” and “Meltdown”, that represent vulnerabilities embedded in computer hardware. Lawfare readers should respond in two ways: keep their operating systems up to date and, critically, install an ad-blocker for your web browser. (Here are guides on how to do so in Chrome and Firefox.) In fact, a proper response to Spectre should involve ad-blocking on all government computers. Other than that, don’t worry. Readers who just wanted to know what to do can stop reading. But for those curious about some of the technical background on these vulnerabilities and why ad-blocking is an essential security measure for a modern computer, read on.

The Web was designed to bring people together and make knowledge freely available. It has changed the world for good and improved the lives of billions. Yet, many people are still unable to access its benefits and, for others, the Web comes with too many unacceptable costs. Everyone has a role to play in safeguarding the future of the Web. The Contract for the Web was created by representatives from over 80 organizations, representing governments, companies and civil society, and sets out commitments to guide digital policy agendas. To achieve the Contract’s goals, governments, companies, civil society and individuals must commit to sustained policy development, advocacy, and implementation of the Contract text.

A definitive guide to verifying digital content for emergency coverage Authored by leading journalists from the BBC, Storyful, ABC, Digital First Media and other verification experts, the Verification Handbook is a groundbreaking new resource for journalists and aid providers. It provides the tools, techniques and step-by-step guidelines for how to deal with user-generated content (UGC) during emergencies.