Technology

A video from Ken Paxton, a Republican primary challenger to Senator John Cornyn of Texas, depicted A.I.-generated imagery of the senator twirling with Jasmine Crockett, a Democratic Senate candidate.

The top executive of the crypto exchange Coinbase scuttled a planned Senate committee vote on a major cryptocurrency bill after voicing his concerns, a sign of the company’s clout.

The company said on Friday that it would start serving ads in the free version of its chatbot over the next several weeks.

Demand from centers that power artificial intelligence has driven up electricity bills, frustrating consumers.

The shutdown of online discourse within Iran has allowed both the government and its critics to flood social media outside the country with disinformation campaigns and fake images.

Activists spent years preparing for a communications blackout in Iran, smuggling in Starlink satellite internet systems and making digital shutdowns harder for the authorities to enforce.