Senators pressed TikTok on its 'sinister' experiment, GitHub said commits have doubled in the last four months, and Chinese video platform Bilibili is going global

-Senators Marsha Blackburn and Richard Blumenthal sent a sharply worded letter to the company's top executives questioning them about how the app has tested, and in some cases, withheld, key safety features. -GitHub said that since April, monthly commits have grown from 1.4 billion to 2.9 billion. -Bilibili's changes are part of an explicit strategy to get Western viewers posting and watching videos on the platform. Learn more about your ad choices. Visit podcastchoices.com/adchoices