Summarize this content to 2000 words in 6 paragraphs TikTok is set to be blocked in the U.S. after the Supreme Court upheld a law that effectively bans the app. TikTok, a Chinese-owned social media platform, has drawn scrutiny from lawmakers for its national security risks and its ties to China. Sapna Maheshwari, a business reporter for The New York Times, examines the security concerns and the reactions to the news.
