The Supreme Court has upheld a federal ban of TikTok, and users are scrambling. The ban, which is expected to take effect on January 19, is a looming crisis for the countless small businesses and creators who’ve built their livelihoods on the platform.

That decision shifts the focus to whether President-elect Donald Trump can intervene after he takes office on Monday.

The decision came a week after the justices heard a First Amendment challenge to a law aimed at the wildly popular short-form video platform used by 170 million Americans that the government fears could be influenced by China.