One week after hearing arguments from TikTok, ByteDance and the U.S. government, the Supreme Court has decided to uphold the law that will ban TikTok on Sunday, Jan. 19, if its parent company, ByteDance,

The app had more than 170 million monthly users in the U.S. The black-out is the result of a law forcing the service offline unless it sheds its ties to ByteDance, its China-based parent company.