An ipod.  A Prius.  The New York Times.

Why do we buy what we buy and what does it all mean?

Coming up, Where We Live, a discusssion with Geoffrey Miller about his new book SPENT: Sex Evolution, and Consumer Behavior.  We'll ask what the product choices we make say about our biological makeup and find out how we can become happier and more conscious consumers.

You can join the conversation.  What signals are you trying to send with the stuff you buy?  Why do you think advertising works (or doesn't) on you?