A product map is a graphic representation of the ways people perceive products in terms of underlying attributes, as well as an aid in understanding their preferences. : http://www.sawtoothsoftware.com/cpm.shtml

"What is life but a series of inspired follies? The difficulty is to find them to do. Never lose a chance: it doesn't come every day." - George Bernard Shaw, Pygmalion, Act 2
"It is better to eat bread bought with money you enjoyed earning, than eat cake bought with money you did not." -
"There are two times in a man's life when he should use a map; when he is lost, and before he is." - Ron Wild