Consumers presented with six choices on an item were twice as likely to buy as consumers overwhelmed with 24 varieties of the same item.

What we share with animals is a desire for choice. It's a desire to have control over our life and a desire to live and use choice as a way in which we can facilitate our ability to live and that is something we really were born with.

So on the one hand in school you're teachers are constantly telling you that you can be whatever it is you want to be as long as you put your mind and heart to it, and yet at the same time I was also getting the clear message of, well, what can you do really?

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."

Consumers presented with six choices on an item were twice as likely to buy as consumers overwhelmed with 24 varieties of the same item.

And guys will say looks matter, but they'll also say things like "Well, she should be smart and kind." And you know those are... so the typical responses and if you give them just a few options, like five or six, then they will rate them on the very characteristics that they said were really important to them.

Knowledge should be a public good, and I want my ideas to have as much exposure as possible.