How much should you trust IQ etc. information from The Guardian? Experts answer: not so much http://emilkirkegaard.dk/en/?p=7113 pic.twitter.com/v1TpK0yAO7
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
Different scale effects probably. Unwise to interpret as change in scores.
Equally sad, with your (wiser admittedly) and my interpretation.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.