On service provider liability: a fragment identifier can store a cryptographic key as it is not passed to the server. http://bit.ly/HAGIKt
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
On service provider liability: a fragment identifier can store a cryptographic key as it is not passed to the server. http://bit.ly/HAGIKt