It's official - we've all been paying billions of dollars a year to make the internet _less_ secure: http://www.nytimes.com/2013/09/06/us/nsa-foils-much-internet-encryption.html?hp&pagewanted=all&_r=0 …
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