If you truly have expertise - and expertise can be say a chess master who has really mastered something or an artist or a musician of some sort you know if you give a jazz musician.

I mean we know that some choice makes you better off than no choice. Now do we get better off if we go from a lot of choice versus a few choices? And there I think the answer is much, much, much more complicated.

The typical Walmart today offers you 100,000 products.

We're born with the desire, but we don't really know how to choose. We don't know what our taste is, and we don't know what we are seeing.

I've done a number of studies with speed dating and Match.com and what's interesting is that you know we still walk into a speed dating event, you know, thinking about what it is we're looking for in a mate and so you ask people, like women will say "I'm looking for somebody who is really kind and sincere and smart and funny."

We also don't always know what we want. And in those cases it can actually make us worse off because it's actually easier to figure out what you want and to figure out how the options differ if you have about a handful of them than if you have a hundred of them.

A chess master can keep track of more choices than the number of stars in the galaxy within an instant, but these are people that have truly learned and mastered the choices that they have and how to deal with those choices over a very, very long period of training, so essentially what they're really doing is ruling out all the irrelevant choices and only zeroing in on the most relevant, useful choices at the moment.