(Better, that is, than the cruft at the end of http://www.cs.st-andrews.ac.uk/~eb/hacking/sender.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
(Better, that is, than the cruft at the end of http://www.cs.st-andrews.ac.uk/~eb/hacking/sender.html)