Some coverage of my talk at the World Policy Institute in New York: http://www.worldpolicy.org/blog/2011/01/18/nothing-lasts-forever
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
Some coverage of my talk at the World Policy Institute in New York: http://www.worldpolicy.org/blog/2011/01/18/nothing-lasts-forever