Improv Everywhere at GEL social media conference, Boing Boing adds some meta http://www.boingboing.net/2011/05/10/improv-everywhere-at.html
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
Improv Everywhere at GEL social media conference, Boing Boing adds some meta http://www.boingboing.net/2011/05/10/improv-everywhere-at.html