The next time you visit Twitter.com things may look a little different, now that the site is rolling out a new font. After years of using Helvetica Neue, its switching to the Gotham typeface. Already, design and typography fans are expressing dismay at the switch, although if youre still reading Tweets mostly through apps, it could be a while before you notice any difference at all. Check after the break to see the new style in action (and some of the responses to it.)