TikTok went offline Saturday night in the United States hours before a new federal law banning the popular short-form video-sharing platform was set to take effect.TikTok went dark after the Supreme Court on Friday decided to uphold the ban requiring the social media app's Chinese owner, ByteDance Ltd., to sell its U.S. version by Sunday or face a nationwide shutdown, citing national security concerns.A message appeared when U.S. users accessed the social media app from Saturday night and early Sunday."A law banning TikTok has been enacted in the U.S. Unfortunately, that means you can't use…READ FULL ARTICLE