... brand, reads the front label, then picks up a bottle of the store brand and reads the front label, then reads the price tag On the Pantene, then reads the price on the store brand, and then ... as we& apos;d note that he (the man, not the mannequin) entered the cashier line at 11:23 and exited the store at 11:30. Depending on the size of the store and the length of the ... several thousands of dollars in theft using that method of detection. And thusly, a science was born. Before the science of shopping existed, there were at least two other ways to...