So you think recipe, you know, maybe birthday cake, chocolate-chip cookies, something you might actually eat.

NPR: 'iPhone' Tops Google Zeitgeist List

After polishing off the pizza, the volunteers were presented with three generous platters of oatmeal-raisin, chocolate-chip and double-chocolate-chip cookies, and asked to rate them.

ECONOMIST: One reason dieting does not work

So people, a lot of times, if they want to eat chocolate-chip cookies or birthday cake, they have a recipe book that tells them how to do that, where they might not have a recipe book for the master cleanse diet, or for Ratatouille, for that matter.

NPR: 'iPhone' Tops Google Zeitgeist List