1. A method of presenting information on the screen of a cell phone, comprising the acts: defining two or more dimensions of information relating to a subject; displaying a first sequence of screens on the cell phone presenting information based on the subject in a first dimension when a first user interface control of said cell phone is operated; displaying a second sequence of screens presenting information based on the subject in a second dimension when a second user interface control of said cell phone is operated; wherein one of said dimensions comprises (a) payload information extracted from a machine readable symbology depicted in one of said images, (b) proximity to a location, or (b) time until an auction closes.