By HALELUYA HADERO The clock is ticking toward a U.S. ban on TikTok, but users seeking clarity on what that will mean did not get much Saturday from the company that runs the popular video-sharing platform or the tech giants that offer the TikTok app in their digital marketplaces. However, President-elect Donald Trump said in an interview with NBC News that he was considering granting an extension that might allow TikTok to keep going beyond Sunday, when a law that prohibits mobile app stores and internet hosting services from distributing TikTok to U.S.