Doh, wrong link! Here's the right one: http://www.youtube.com/watch?feature=player_embedded&v=GnQ7bDGhOLI …
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
Doh, wrong link! Here's the right one: http://www.youtube.com/watch?feature=player_embedded&v=GnQ7bDGhOLI …