Is Facebook a virtual world: My sister's blog (the academic viewpoint) http://dekcuf.wordpress.com/2010/12/12/is-facebook-a-virtual-world/
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
Is Facebook a virtual world: My sister's blog (the academic viewpoint) http://dekcuf.wordpress.com/2010/12/12/is-facebook-a-virtual-world/