US Patent 7417759 Method for delivery of a brochure containing coded data

A method of delivering a brochure, including formatting visible information of the brochure in a computer system; formatting substantially invisible information in a computer system, including coded data indicative of an identity of the brochure and of at least one interactive element; at a printer networked with the computer system, simultaneously printing said visible information and said invisible information so as to produce said brochure, wherein the at least one user interactive element enables a user to indicate a request for further information relating to the contents of the brochure by interacting with the element using a sensing device which is adapted to transmit data indicating the request to the computer system.