The law—which prohibits U.S. app stores from hosting TikTok unless Chinese parent company ByteDance divests from it—is scheduled to take effect one day before Trump’s Jan. 2

WASHINGTON (AP) — The law that could ban TikTok is coming before the Supreme Court on Friday, with the justices largely holding the app’s fate in their hands. The popular social media platform says the law violates the First Amendment and should be struck down.

The Supreme Court is weighing whether a law that could ban TikTok in the United States is constitutional. Away from the court, legal and technology experts are pondering a different head-scratcher: What if TikTok is banned and people keep using it anyway?