If Your Facebook Wall Were Portable, You\'d Have MessageDance ( http://mashable.com/2007/12/10/messagedance/ )
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
If Your Facebook Wall Were Portable, You\'d Have MessageDance ( http://mashable.com/2007/12/10/messagedance/ )