Meta had delayed releasing Muse, its A.I. agent app, for months over safety concerns. Then new competition forced Mr. Zuckerberg’s hand.

Aaron Sorkin’s sort-of sequel to the 2010 “Social Network” dramatizes a whistle-blowing case at Facebook. Here’s what to know.

A proposed law would bar children under 13 from using social media across the 27-nation bloc.

On social media, Meta’s chief executive appeared to jab at Anthropic by saying that leading A.I. labs should be focused on safety rather than improving their own technology.

Muse, Meta’s new A.I. agent, acts as a personal digital assistant that connects to Facebook and Instagram, as well as third-party apps such as Spotify and OpenTable.

A wave of disinformation online contributed to a surge of migrants in the Spanish enclave of Ceuta who were trying to reach Europe, resulting in about 90 deaths.

The release of Muse Glimmer, a model that can be freely downloaded and modified, is likely to intensify a debate over whether A.I. should be restricted.

The penalty, imposed by a state judge, is on top of a $375 million fine ordered by a jury that found Meta misled users about the safety of its platforms.

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The president’s push for data centers is driving a boom in gas-burning power plants. Texas is leading the way.

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The voluntary review process will cover closed-source artificial intelligence models, but exclude those that publish the underlying code.

Amazon joined a procession of tech giants that ramped up their spending on artificial intelligence, as its capital expenditures soared 69 percent. Concerns over the industry’s spending are mounting.

Anthropic and OpenAI are clashing with the rest of the tech industry over whether “open-source” models from China should be freely available or restricted.

Seller is part of the Silicon Valley company’s strategy to innovate on its original social network.

Users and Hollywood agencies raised privacy and copyright concerns about the new tool, Muse Image.

European Union authorities said the company’s use of “addictive design” violated a digital safety law.

The experimental app, internally called “Arena,” would be independent of Facebook and Instagram. It could compete for attention with Polymarket and Kalshi, the biggest prediction markets.

Federal officials are urging the lone major tech company holdout to allow government safety evaluations, weeks after ordering Anthropic to pull its latest model.

Artificial intelligence is expensive to use, many companies discovered. That has led to a new era of saving costs.

The flaw, which Meta said it had fixed, allowed anyone to take over accounts using a bug in the company’s new artificial intelligence software.