System for enabling access to information

摘要

A system for enabling a user to access information, said system comprising: a printed substrate, said substrate comprising user information and coded data indicative of a region identity associated with the substrate and of a plurality of locations on the substrate; and a sensing device comprising: an optical sensor for sensing at least some of the coded data when the sensing device is operatively positioned or moved relative to the substrate; a mode selector for allowing the user to select a mode of operation; a processor for generating mode data using the selected mode and interaction data using the sensed coded data, said mode data being indicative of the selected mode, said interaction data being indicative of the region identity and at least one position of the sensing device relative to the substrate; and means for communicating the mode data and the interaction data to a computer system, wherein the mode data together with the interaction data determine a response in the computer system.