Abstract: A headset to accompany virtual reality units which provides a user the sensation of motion by vestibular stimulation. A fixed or adjustable device positions conductors on the forehead and mastoid regions of the user's head capable of receiving computer generated electrical currents that may be synchronized to audio or video displays to enhance the effect of virtual environments by causing dysequilibrium and a resulting sensation of motion therein.

Abstract: A method is provided for advertising within the virtual environments of games. Default images of games are replaced by alternative textures having advertisements implemented therein. An ad server coordinates the matching of ads to demographic data of the game player and properly accommodates ads in formats from game information provided by game sources. The game player is visually influenced by advertisements as he or she views the virtual world of the game, as plug-in software replaces the default images with virtual pictures and figures utilizing an advertisement. View statistics are retrieved from the game player's computer or console to rate viewing effectiveness for ad placement confirmation and billing purposes.