USE OF LOCALIZED BROADCAST SIGNALS TO MODIFY MOBILE APPLICATION BEHAVIOR

A method is disclosed for tracking advertisement effectiveness. First information associated with desired advertising information is broadcast from at least one of a plurality of fixed information nodes. A mobile unit receives the broadcast information and outputs the desired advertising information. An advertisement counter is started at the time of receipt of the broadcast information and presence information is broadcast from at least one of a plurality of fixed monitoring nodes over a restricted broadcast range, which at least one fixed monitoring node is disposed in a predetermined fixed physical proximity with a vendor location. The broadcast presence information is received at the mobile unit and a presence counter is started in response to receipt of the presence information. At the mobile unit loss of receipt of the broadcast presence information, the presence counter is stopped.