I want an honest response: how many of these people can you name based only on this photo set.pic.twitter.com/siOORppCOA
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
I've always find that I am pretty average. 
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.