A federal ban on TikTok has taken effect in the U.S., preventing millions of users from accessing the app. The ban was enacted due to national security concerns over its Chinese ownership by ByteDance. TikTok's service has been temporarily halted, with users receiving messages about its unavailability. President-elect Donald Trump has indicated he may consider a 90-day extension for TikTok to operate. The situation has sparked controversy, with critics accusing the U.S. of suppressing free speech. Teljes cikk (Euronews.com)