A system and method for obtaining information concerning a product or service to a user which includes a remotely located source of computer-based information for generating and transmitting encoded data, including encoded audio data, pertaining to a plurality of products or services. An on-site computer...http://www.google.com.mx/patents/US5351186?utm_source=gb-gplus-sharePatent US5351186 - System and method for obtaining information concerning a product or a service
