The U.S. government has launched a national security review of TikTok owner Beijing ByteDance Technology Co's $1 billion acquisition of U.S. social media app Musical.ly, according to three people familiar with the matter.<br /><br />While the $1 billion acquisition was completed two years ago, U.S. lawmakers have been calling in recent weeks for a national security probe into TikTok, concerned the Chinese company may be censoring politically sensitive content, and raising questions about how it stores personal data.<br /><br />TikTok has been growing more popular among U.S. teenagers at a time of growing tensions between Washington and Beijing over trade and technology transfers. About 60% of TikTok's 26.5 million monthly active users in the United States are between the ages of 16 and 24, the company said this year.
