My apartment key. Apparently, these are more secure and harder to copy and pick locks. Like having the skeleton key to a haunted house.pic.twitter.com/796asjgQvM
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
Right? 
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.