Viewer configured to display, and method of displaying, information on a display to at least partially take into account a position of the viewer relative to a surface

摘要

A viewer configured to rest upon a surface that bears coded data, the viewer including: sensing means configured to sense at least some of the coded data when the viewer is resting upon the surface; processing means for decoding at least some of the sensed coded data; a transmitter configured to transmit the decoded data to a remote computer system; a receiver configured to receive display information in reply to the transmission of the decoded data; and a display configured to output display data to a user; wherein the processing means is configured to receive the display information and generate the display data based at least partially on the display information, wherein the display information represented by the display data is positioned on the display to at least partially take into account a position of the viewer relative to the surface.