Audio video receiver; Sound transmission device, namely, sound transmitting apparatus; Headphones; Portable media player; Vehicle driving and control simulator; Video display screen; Computers; Data processing apparatus; Computer peripheral devices; Downloadable computer application game software; Downloadable computer game programs; Computer operating programs recorded on media, namely, recorded computer operating programs; Computer game software recorded on media; Communications media and virtual reality media, namely, digital transmitters, communications link testers for testing communication links, optical receivers, virtual reality controllers, virtual reality goggles, headsets for virtual reality games; Computer networking equipment, namely, computer network hubs, computer network switches, computer network bridges, computer network routers, computer network adapters, computer network server; Electronics in the nature of virtual reality game equipment, namely, headsets for virtual reality games, virtual reality glasses, virtual reality controllers, virtual reality goggles