TikTok is an iOS and Android social media video app for creating and sharing
short lip-sync, comedy, and talent videos. The app was launched in 2017 by ByteDance, for markets outside of China. ByteDance has previously launched Douyin (Chinese: 抖音) for the China market in September
2016. TikTok and Douyin are the same, but run on different servers to comply with Chinese censorship restrictions. The application allows users to create
short music and lip-sync videos of 3 to 15 seconds45 and
short looping videos of 3 to 60 seconds. It is popular in
Asia, the United States, and other parts of the world.6 TikTok is not available in China and its servers are based in countries where the app is available.7