Single and/or multi-channel electronic audio and video playback apparatus; personal audio and video playback apparatus; digital and analog apparatus for playback, reproduction and recording of audio and video; equipment and apparatus to convey pre-recorded or real-time audio and video information; radio-frequency digital and analog transmitters and receivers including FM,AM and digital radio and data networks; embedded hardware devices and embedded software programs; personal computer software programs; wired and wireless data networks; hard, hybrid and solid state disks and drives; non-volatile and volatile memories; digital to analog converters; analog to digital converters; audio and video compression and de-compression; GPS equipment and apparatus for the purpose of determining location, speed, direction and chronology; cellular communications technologies and other digital or analog data modems; audio and video apparatus for the purpose of advertisements, information, audio commentary, music and video playback; apparatus to gather, log and store audit and consumer data; CD and DVD audio and/or video playback and recording devices; video projectors, screens and displays; microphones and apparatus for reproduction and amplification; speakers and headphones; smart cards and magnetic stripe cards