Chatterous: Reach All of Your Friends on their Weapon of Choice ( http://mashable.com/2008/03/07/chatterous/ )
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
Chatterous: Reach All of Your Friends on their Weapon of Choice ( http://mashable.com/2008/03/07/chatterous/ )