The Biden administration has reportedly come to the conclusion that ByteDance must sell its stake in TikTok or face the possibility of a U.S. ban. The decision comes as Congress turns up the heat on action against TikTok, which is suspected of compromising U.S. data and potentially manipulating news feeds to influence opinion. It follows a quiet, years-long assessment by the Committee on Foreign Investment in the U.S. (CFIUS), which The Wall Street Journal says “made the sale demand recently.” The Treasury Department, which oversees CFIUS, declined to comment. Read more

T-Mobile has agreed to purchase Ka’ena Corp., whose subsidiaries include the Mint Mobile prepaid wireless brand in which actor Ryan Reynolds holds a 25 percent stake, in a deal worth up to $1.35 billion. Terms of the agreement include celebrity spokesman Reynolds continuing in his creative role at Mint, while co-founders David Glickman and Rizwan Kassim remain onboard to manage the brands, which include the Ultra Mobile international wireless offering and wholesaler Plum. Under Glickman and Kassim those adjuncts “will generally operate as a separate business unit,” according to T-Mobile. Read more

YouTube TV is rolling out a new feature aimed at live sports fans. Called “multiview,” it lets people watch up to four different streams at once. Just in time for March Madness, multiview is debuting in early access to select U.S. subscribers and only for sports content, YouTube says, adding that it’s exploring how to apply the quad-screen format across a variety of content and will gradually make it available to more users. Slow-walking the initial launch will allow the platform to collect feedback and improve the feature in time for the fall NFL football season. Read more

OpenAI has released GPT-4, which it says is a more powerful and reliable version of the artificial intelligence technology powering its viral ChatGPT chatbot. GPT-4 can analyze images and handle larger blocks of text and is generally “more creative and collaborative” than earlier iterations when it comes to things like composing songs, writing screenplays and mimicking a user’s authorial style. “GPT-4 can solve difficult problems with greater accuracy, thanks to its broader general knowledge and problem-solving abilities,” OpenAI says. GPT-4 is already driving the chatbot technology behind Microsoft’s Bing AI search engine, now in beta. Read more

The demand for artificial intelligence by enterprise as well as consumers is putting tremendous pressure on cloud service providers to meet the vast data center resources required to train the models and deploy the resulting apps. Microsoft recently opened up about the pivotal role it played in getting OpenAI’s ChatGPT to the release phase via its Azure cloud computing platform, linking “tens of thousands” of Nvidia A100 GPUs to train the model. Microsoft is already upgrading Azure with Nvidia’s new H100 chips and latest InfiniBand networking to accommodate the next generation of AI supercomputers. Read more