Chart -American Mobile Social Geo-Taggers By Social Network

Facebook was the most popular social network among all respondents, with 91% using it, and 88% of that group said they location-tagged posts. More than seven in 10 Google+ users said the same, as did 68% of Twitter users and 60% of Instagram users. Demographic and behavioral profiles of those who location-tagged posts on the social sites varied in several ways. Read the rest at eMarketer.