MyTribe: Find New Friends You Might Actually Want To Talk To ( http://mashable.com/2008/02/01/mytrybe/ )
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
MyTribe: Find New Friends You Might Actually Want To Talk To ( http://mashable.com/2008/02/01/mytrybe/ )