The Supreme Court upheld a law that requires TikTok's Chinese owner to sell off the app's U.S. business or face a nationwide ban Sunday.

First launched in the United States in 2018, the app quickly became the most downloaded social and entertainment app in the world. By 2020, when Americans were looking for ways to

TikTok’s app and website effectively shut down in the United States late Saturday just before a nationwide ban against the video-sharing platform came into force. The company showed its millions of American users a pop-up message that thanked President-elect Donald Trump for indicating he will work with the company on a solution when he takes office on Monday.