Foursquare
Published on March 1, 2012
This is a direct quote from Wikipedia. Foursquare, stylized as foursquare, is a location-based social networking website for mobile devices, such as smartphones. Users “check-in” at venues using a mobile website, text messaging or a device-specific application by selecting from a list of venues the application locates nearby.[3] Location is based on GPS hardware in […]