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?

The court is hearing oral arguments on TikTok’s bid to block a law that would lead to its ban in the U.S. starting Jan. 19 if it isn’t sold by its Chinese owner.

We’re tuning in live as the justices consider what could be one of the most consequential First Amendment rulings of the past several decades.