just a little NPC banter on my MUDpic.twitter.com/pDKir2inIJ
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
are you aware of a paper / book that expands upon this effect?
nope, sorry
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.