TikTok ceased operations for 170 million U.S. users on January 19 after a law banning the app due to national security concerns came into effect. The shutdown has caused significant disruption, particularly among younger users.

Users on the app were saying their goodbyes, some filming themselves frantically scrolling or sharing final secrets with their followers ahead of the possible ban.

President-elect Donald Trump, who once called to ban TikTok, has since pledged to keep it available in the U.S.