An advertising system and method for providing rebates to individuals who affix advertisement displays, such as bumper stickers, on their vehicles and other objects. In accordance with one aspect of the present invention, an advertisement display is affixed to the rear portion of a vehicle. The advertisement display comprises an advertisement portion for displaying advertisements or other images and an identification portion for providing identification to at least one predetermined individual or entity. Such identification could include the owner of vehicle, for example, as well as the advertiser or any other needed information. A commercial entity, such as a gas station or any other participating retail or service establishment, is configured with a detector means for detecting and or communicating with the advertisement display and is in turn connected to a commercial entity computer via a connection means in order to connect to the database computer system of this invention. The database computer system comprises a database computer, which is connected to a database via a connection means. The database stores information about the vehicle and the advertisement display and instructs the participating commercial entity establishment if and how to provide the rebate.