We've all found the productivity power of pizza here and there. Finding the needed steam to get through an all-nighter with a slice or two. Calling in a pizza delivery when there's no time to cook. But a Lifehacker article highlights another GTD asset of pies in Amazon CEO Jeff Bezos' "two pizza rule," which calls for limiting the size of project teams. If the team can't be fed by two pizzas, then it's too big. The point being to preserve the value of independent ideas that can often get swallowed up in groupthink. Of course this raisee the question, how many people does two pizzas feed? Assuming they are large, would it be 6? Regardless, you have to respect a man who runs his meetings around pizza.