Since Elon Musk took over Twitter, there have been a fair number of changes to the site - most of which have been met with metaphorical foot stomping. In December, the billionaire announced that he intended to increase the site's long-running 280-character limit to 4,000. Needless to say, there was backlash. People felt that the increase defeated the purpose of Twitter: fast news. Well, on February 9th, the change went live - but only for paid Twitter Blue users. It's the first increase since 2…