Science and Technology

Washington lawmakers introduced a bill this week calling for TikTok to cut ties with its Chinese parent company or face a ban in the United States. When many users opened the popular app on Thursday, the company greeted them with a message to oppose the legislation, prompting a flood of phone calls to several Capitol Hill offices.“Stop a TikTok shutdown,” the message on the app read. It included a button for people to call their representatives, saying: “Let Congress know what TikTok means to you and tell them to vote NO.”By noon, the phone lines for members of Congress were…

OpenAI, in its first public comments about Elon Musk’s lawsuit against the influential artificial intelligence research lab, said that Mr. Musk tried to transform the lab from a nonprofit into a for-profit operation before he left the organization in early 2018.The comments, made in a blog post published on Tuesday evening, are part of an escalating feud between Mr. Musk and OpenAI, which is now at the forefront of an industrywide A.I. boom. The company said it intended to move to dismiss all the claims in Mr. Musk’s suit.Mr. Musk filed the suit against OpenAI and its chief executive, Sam…

By Thursday, Google will have changed how it displays certain search results. Microsoft will no longer have Windows customers use its Bing internet search tool by default. And Apple will give iPhone and iPad users access to rival app stores and payment systems for the first time.The tech giants have been preparing ahead of a Wednesday deadline to comply with a new European Union law intended to increase competition in the digital economy. The law, called the Digital Markets Act, requires the biggest tech companies to overhaul how some of their products work so smaller rivals can gain more access…

It would be easy to dismiss Elon Musk’s lawsuit against OpenAI as a case of sour grapes.Mr. Musk sued OpenAI this week, accusing the company of breaching the terms of its founding agreement and violating its founding principles. In his telling, OpenAI was established as a nonprofit that would build powerful A.I. systems for the good of humanity and give its research away freely to the public. But Mr. Musk argues that OpenAI broke that promise by starting a for-profit subsidiary that took on billions of dollars in investments from Microsoft.An OpenAI spokeswoman declined to comment on the suit. In…