Their warnings echo concerns that other artificial intelligence experts have voiced in recent months, as calls increase for a slowdown in the pace of development.

The Amazon-owned driverless car company is a distant second to Waymo. Its pitch to riders? Wine pop-ups, festival sponsorships and a car built to be filmed.

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.

Fans of the company’s products widely believe it will unveil a folding smartphone at its annual launch event on Wednesday.

For the company’s new artificial intelligence system to take off, it will need plenty of support from the makers of popular apps on Apple’s phones.

Thousands of Kenyans made a living writing essays for overseas students. With A.I., the work has dried up, a warning for online gig work that has been a global lifeline.

Initial results showed that residents of Independence, Mo., voted overwhelmingly to recall an official who backed billions of dollars in tax breaks for a data center.

© Clayton Steward for The New York Times