Twitter has been on fire for the past few months and it doesn’t appear to be cooling anytime soon. According to the latest Compete.com statistics, Twitter has surpassed 14 million users, up over 76.8 percent since last month when we wrote that they had surpassed 8 million users. Is it nipping at the heels of Facebook? Not at all! Facebook also had a huge month and surpassed 90 million U.S.