Word puzzles on LinkedIn. Logic challenges in The Washington Post. For news publishers and tech sites looking to both entice and engage users, games are serious business.

© Igor Bastidas

A.I. companies are divided over whether the technology should be freely available to anyone for modifying and copying, or kept close for safekeeping.

© Loren Elliott for The New York Times

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

Reddit’s first earnings report as a public company showed leaps in users and advertising revenue, along with expenses related to its initial public offering.

© Natalie Keyssar for 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.

© Ian C. Bates for The New York Times