The oil-rich kingdom is plowing money into glitzy events, computing power and artificial intelligence research, putting it in the middle of an escalating U.S.-China struggle for technological influence. More

For years, federal lawmakers have tried to pass legislation to rein in the tech giants. The TikTok law was their first success. More

ByteDance owns both TikTok and Douyin, and although TikTok has more users around the world, Douyin is the company’s cash cow and a China mainstay. More

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

Chad Nedohin, a part-time pastor, is among the fans of Donald J. Trump who helped turn Trump Media into a meme stock with volatile prices. More

While Congress says the social app is a security threat, critics of the law targeting it say it shows how out of step lawmakers are with young people. More

Lawyers for Changpeng Zhao, the founder of the crypto exchange Binance, countered that he should receive no prison time. More

Mr. Musk’s defiance over removing content is testing the boundaries of international legal systems. More

A tiny group of lawmakers huddled in private about a year ago, aiming to keep the discussions away from TikTok lobbyists while bulletproofing a bill that could ban the app. More

Despite Mark Zuckerberg’s hope for the chatbot to be the smartest, it struggles with facts, numbers and web search. More

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

A new category of apps promises to relieve parents of drudgery, with an assist from A.I. But a family’s grunt work is more human, and valuable, than it seems. More

Merle Meyers, who left Boeing last year after a 30-year career, said he was speaking publicly about his experience because he loved the company “fiercely.” More

President Biden has signed the bill to force a sale of the video app or ban it. Now the law faces court challenges, a shortage of qualified buyers and Beijing’s hostility. More

This privacy reporter and her husband bought a Chevrolet Bolt in December. Two risk-profiling companies had been getting detailed data about their driving ever since. More