After some trying years during which Mr. Zuckerberg could do little right, many developers and technologists have embraced the Meta chief as their champion of “open-source” artificial intelligence.

© Amanda Cotan

The American tech giant’s platforms, Facebook and Instagram, may “exploit the weaknesses and inexperience of minors,” the European Commission said.

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Advertisers of merchandise for young girls find that adult men can become their unintended audience. In a test ad, convicted sex offenders inquired about a child model.

© Illustration by Amir Hamja/The New York Times

Along with the higher spending, the owner of Facebook, Instagram and WhatsApp projected lighter-than-expected revenue, causing its stock to plummet.

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The robotic nerd depicted in “The Social Network” has turned into the kinder, more accessible face of Silicon Valley. What’s going on?

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Users of Instagram, Facebook, WhatsApp and Messenger will be able to turn to the new technology, powered by Meta’s latest artificial intelligence model, to obtain information and complete tasks.

© Meta

Instagram is testing a program that offers its top influencers the ability to interact with their followers over direct messages using a chatbot.

© Loren Elliott for The New York Times