A number of examples of ways in which information in bar code form may be visually communicated are described in U.S. Patent Application Serial No. 09/963,218, filed Sep. 25, 2001 (Challa et al., ???System, method and apparatus for communicating information between a mobile communications device and a bar code reader,??? Attorney Docket No. 11085.00), and in U.S. Patent Application Serial No. 09/9