TikTok, formally Musical.ly, is a popular video sharing app that was bought by Chinese company ByteDance in 2017. According to Reuters, ByteDance is now the subject of a national security review in the United States. The investigation is said to center primarily around suspected censorship and the collection of user data.
App analytics firm Priori Data
shows that TikTok has been downloaded 41 million times in the United States in 2019 so far - second only to the app's performance in India, the app's main market where it has reached over 190 million downloads over the last ten months.