“One of his friends, a marketing professor at Stanford, said, “Think about this from a marketing perspective. We can change behavior in a short television ad. We don’t do it with information. We do it with identity: ‘If I buy a BMW, I’m going to be this kind of person.”

“One of his friends, a marketing professor at Stanford, said, “Think about this from a marketing perspective. We can change behavior in a short television ad. We don’t do it with information. We do it with identity: ‘If I buy a BMW, I’m going to be this kind of person.”

— Chip Heath