Just found these old gems in an old box.pic.twitter.com/umobrXAcMr
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
FWIW, I got a few of these working for the Turkish Daily News back, back in the day, and we'd all sprint to the changer to convert as fast as possible, given that we'd take a pay cut each day if we didn't.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.