Identify Shoppers by Past Purchases… and by Sight

One of the memorable scenes in the Minority Report (Tom Cruise), a Gap billboard mis-identifies Cruise’s character by the “donated” implanted eyeballs he is “wearing.” “[Cruise] walks into a shopping mall, where his new eyes are scanned with a telltale spark. Mistaking him for the eyeballs’ former owner, a nearby Gap billboard exclaims, “Hello, Mr….