Wait 'til your announced.pic.twitter.com/aD8ogMwreI
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
It's STRESSFUL. What if I choose the WRONG nickname?! I don't know anything about them!
then you can rename them!
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.