We're planning to breach (reset) the Arvo network later today.pic.twitter.com/NOn0MKbjBi
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
Sounds like this is happening sooner than expected. Breach in ~30m or so.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.