The greatest trick the devil ever pulled was convincing people he did not exist (I'm paraphrasing The Usual Suspects). Similarly, the greatest trick marketers pull is convincing you that you ought to exercise your freedom and individuality by buying their superfluous and crappy products, just like every other unique automaton. Oh yeah, I'm talking about you, Star-schmucks!
The following short shows Derren Brown using subliminal advertising techniques on experts of subliminal advertising to their great shame and our great delight. Fight fire with fire! :)
Now, how many things have you bought because you were brainwashed? You have no idea, do you?