TikTok’s future in the United States now sits squarely in the hands of the Supreme Court, which will hear oral arguments Friday. At its core, the case features a head-on collision between national security and the First Amendment.

Listen to live coverage as the Supreme Court hears oral arguments in TikTok's appeal to block enforcement of a federal law that would require the app to shut down in the United States. TikTok says it plans to shut down the social media platform in the U.

TikTok had an estimated $10.1 billion in U.S. advertising revenue last year and could score $12.8 billion this year, according to analysts at Benchmark. They reckon that revenue p