FTC Sues Uber Over Billing for Its Uber One Subscription Service

The company’s chatbot can now create elaborate and unusual images.

Mr. Musk’s involvement in right-wing politics contributed to a 13% drop in deliveries in the first quarter, including steep declines in E.V.-friendly places like Norway.

Companies like OpenAI and Google are running out of the data used to train artificial intelligence systems. Can new methods continue years of rapid progress?