The company said Monday it was temporarily limiting new sign-ups due to “large-scale malicious attacks” on its services.

In the days before TikTok went dark, Instagram and Facebook released a flurry of new features and ran advertisements promoting its platforms as a comparable alternative.

After President Biden declined to reassure Apple, Google, and Oracle that they wouldn’t be fined for giving Americans access to TikTok, the app’s hopes now hang on president-elect Trump.

Keyu Tian and his coauthors won the Best Paper Award at the annual NeurIPS machine-learning conference for their work on a new technique for generating images. Some have objected to the decision.

The new hires, all experts in computer vision, are the latest AI researchers to jump to a direct competitor in an intensively competitive talent market.

The Biden administration announced a sweeping set of new export controls that will make it harder for Chinese companies like Huawei and ByteDance to develop cutting-edge artificial intelligence.

The new limits, which are expected to be announced Monday, are intended to slow China’s ability to build large and powerful AI models.