Description: The service of FourSquare focuses on offering a service of mobile localization focused on the additional information offered by the user when stablishing its current situation. FourSquare mobile has common features with applications like Google Latitude. The mobile application FourSquare tries to get the user to share its mobile localization as if it was a game (for example to discover new sites) and to use local stores as publishers so they can attract possible FourSquare users.