T he fate of TikTok in the United States will soon be in the hands of the Supreme Court, as the Justices hear oral arguments Friday over a law that could shut down the popular social media platform.

In one of the most important cases of the social media age, free speech and national security collide at the Supreme Court on Friday in arguments over the fate of TikTok, a wildly popular digital platform that roughly half the people in the United States use for entertainment and information.

The court, which hears arguments on Friday in a challenge to a law banning the app, has issued varying rulings when those two interests clashed.