An interactive search system for use primarily with a global computer network, e.g., the Internet, using a search identifying barcode, such as a UPC code, to rapidly and effectively obtain a supply of related information for presentation to a user. A computer may be used to input a UPC code, taken from...http://www.google.co.uk/patents/US6430554?utm_source=gb-gplus-sharePatent US6430554 - Interactive system for investigating products on a network