Wikipedia
WhosHere
WhosHere is a social proximity networking app created by WhosHere founders Bryant Harris and Stephen Smith launched in July 2008. WhosHere utilizes GPS location capabilities combined with a social networking platform that allows users to interact with other people based on compatible geographical location. The app allows users to find other users with similar interests and connect with them real-time via free text, image messages and free VoIP calls without disclosing any personal information. It runs on Apple iOS devices including iPhone, iPod touch and iPad.