While e-commerce and social media proliferates in every technical direction, little is being done to combine the traditional out-of-home marketing space with the power of contextual social-driven advertisements tied to the smart device outside of QR codes. Individual consumer habits and the ever growing issues with online privacy are a widening concern in the minds of e-commerce and social media users that are pushing them farther from the desktop and laptop. The skyrocketing use of mobile applications has created a fundamental problem for social media sites to generate revenue through their traditional advertising means. Grid Ping is an anonymous user profiler that aggregates user behavior and delivers targeted mass-marketing advertisements to out of home digital advertising real estate (billboards, wall signs, bus shelters, etc) based on the proximity of relevant customers or "pingers", the information they opt-in to receive, and various additional categories of information colle