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.

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.

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.