Marlee Matlin

I grew up in the suburbs of Chicago, and in spite of what most people might have expected from a young girl growing up deaf, life for me was like one long episode of 'The Brady Bunch.' Despite whatever barriers were in my way, I imagined myself as Marcia Brady skating down the street saying 'hi' to everyone, whether they knew me or not.

There is a calculus, it turns out, for mastering our subconscious urges. For companies like Target, the exhaustive rendering of our conscious and unconscious patterns into data sets and algorithms has revolutionized what they know about us and, therefore, how precisely they can sell.