Bruce Tate interview on Seven Langs in Seven Weeks book: http://pragprog.com/magazines/2010-05/the-bruce-tate-interview
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
Bruce Tate interview on Seven Langs in Seven Weeks book: http://pragprog.com/magazines/2010-05/the-bruce-tate-interview