Forget WarDriving (Score 1, Insightful)

How fun could it be to stand outside of a wallmart with a modified scanner, and get a list on your handheld of every item in a shopper's cart on their way out. Hell, third parties could scan for a week at one location, and put togeather a very valuable marketing databases detailing the value of an item in a given demographic. Or it could just give you a "heads up" that the girl you were trying to pick up on in the produce section just bought a large supply of anti-fungal cream. Helpful info.