Pew Research – 2013 LBS Report
Location-Based Services Report:
Location tagging on social media is up: 30% of social media users now tag their posts with their location. For mobile location services, 74% of smartphone owners get directions or other information based on their current location, and 12% use a geosocial service such as Foursquare to “check in” to locations or share their whereabouts with friends.