A method of advertising is disclosed and includes monitoring transmission data of one or more cellular towers located along a freeway and recording an identification and a time and date stamp for one or more cellular devices that establish communication via the one or more cellular towers as the at least one cellular device travels within a user vehicle along the freeway. Further, the method includes determining one or more types of media files that are supported by the cellular device and monitoring the movement of the one or more cellular devices along the freeway. The method also includes transmitting one or more advertisements to the at least one cellular device when the cellular device is within a predetermined range of a freeway exit. The one or more advertisement is transmitted in a format of the one or more types of media files supported by the cellular device.