The 'two pizza rule' is a secret to productive meetings that helped Amazon CEO Jeff Bezos become one of the world's richest men. Here's why it's smart.

· Amazon CEO Jeff Bezos is the richest person in the world, with a net worth of $189.2 billion.
· Bezos has said that he keeps meetings to a minimum.
· But when he does take meetings, two pizzas should be enough to feed everyone present.
· Research suggests that workers are sitting through more meetings during the pandemic...