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.
TikTok says it plans to shut down the social media site in the U.S. by Jan. 19 unless the Supreme Court strikes down or otherwise delays the effective date of a law aimed at forcing TikTok's sale by its Chinese parent company.
