TikTok, a Chinese-born global sensation, faces US scrutiny over data safety. Despite Senate review delays, the bill aims to limit foreign ownership, potentially impacting ByteDance's valued asset. Last year, Meta-owned Instagram was marginally ahead with 768 million downloads to TikTok's 733 million, but TikTok remains ahead on user engagement with 95 minutes of average daily usage to Insta's 62 minutes (data for Oct-Dec 2023).