Google's outdoor history exhibit is kinda funpic.twitter.com/KnsH9Y5ehQ
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 was probably just for the sake of attention and giggles, but if whatever Google announces tomorrow turns out to suck then you were right! 
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.