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
These new Twitter features will only last for a few Fleeting Moments
(1/4)Which features 
Indeed. I find it interesting that Twitter still doesn’t seem to understand what/the service they are providing. They are bound to eventually break it.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.
