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
Yep. There’s another paper out there testing same issue with over 400,000 cases. As long as you tell a good story.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.