Los Angeles, Jan. 19 (Reporter) The popular video-sharing app TikTok went dark late Saturday in the United States. TikTok users in the country were greeted with a message that read: "Sorry, TikTok isn't available right now." "A law banning TikTok has been enacted in the U.S. Unfortunately, that means you can't use TikTok for now," read the message, adding that: "We are fortunate that President Trump has indicated that he will work with us on a solution to reinstate TikTok once he takes office. Please stay tuned!" U.S. President-elect Donald Trump said earlier on Saturday that he will "most likely" give TikTok a 90-day extension on Inauguration Day, which is Monday...////...