TikTok CEO Shou Zi Chew: 3 things to know
TikTok CEO Shou Zi Chew testified Thursday at a congressional hearing over concerns about user data collected by the popular video-sharing app and potential Chinese spying.Under his helm, TikTok reached 150 million users in the US, the majority of them teens and young adults who are attracted to the app's simple interface and addictive algorithm that serves up short videos on just about any imaginable topic.Lawmakers have said they're worried about American data falling into the hands of the Chinese government and claim…