Video sharing app TikTok is experiencing record-setting growth. But now it could be banned in the US. CNN Business explains why politicians fear TikTok's automatic data collection could prove a national security threat. Produced by Sofia Barrett Supervising Producer: Bronte Lord #CNN #Business #TikTok CNN Business brings you the latest news about the companies, personalities, and innovations that are driving business forward. Interested in more of CNN Business? Subscribe to our channel: bit.ly/3cz80Ta CNN Business on social media: Facebook: bit.ly/2Ts9w1T Twitter: bit.ly/3au548r Instagram: bit.ly/2VQPuzF