I think this shows the skewed distribution of geolocation users, as compared to the population. I can't find the link right now, but there was a story posted r

I think this shows the skewed distribution of geolocation users, as compared to the population. I can't find the link right now, but there was a story posted recently about a survey finding less then 10% of the population had ever heard of geolocation services such as foursquare.