(Here's the blog post it's drawn from: http://ctrltomdel.wordpress.com/2012/11/03/interminable-oscillations-2-the-interminable-oscillation/ … for all you curious cats)
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
(Here's the blog post it's drawn from: http://ctrltomdel.wordpress.com/2012/11/03/interminable-oscillations-2-the-interminable-oscillation/ … for all you curious cats)