@telemachus we're using ostatus, so you should be able to do so without a formal API... check out http://github.com/hotsh for gems...
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
@telemachus we're using ostatus, so you should be able to do so without a formal API... check out http://github.com/hotsh for gems...