3. Keep teams small enough that members can be fed with two pizzas.
Bezos is famous among management nerds for his Two Pizza Rule: No team should be larger than can be fed with two large pizzas. That means that task forces are limited to just five to seven people, allowing teams to test their ideas without too many onlookers, which guards against groupthink — one of Bezos’s pet peeves. Those tiny teams have led to big innovations, like the Gold Box deals, a popular promotion that gave customers limited-time deals.