Heads up! The user name lockdown will be happening on March 1st. After March 1st, you will no longer be able to change your user name, so make sure you have one you like.
There are several reasons behind the lockdown:
1) With the introduction of user pages, your name becomes your URL. Since we won't be linking to you via a unique ID# anymore, we don't want you breaking our links.
2) We've had too many issues this past year with account hackers, as well as people temporarily changing their names for fun, only to complain when someone takes their name.
3) Users who change their names cause confusion because everyone forgets who they are. It's annoying.
And no, this does not mean we are launching the redesign on March 1st. I know what you REALLY care about, so here's a level icon: