Entrepreneurs like Jeff Bezos and Elon Musk use a single unifying principle for decision-making Jeff Bezos: “Does this make the customer experience better?” Elon Musk: “Does this help us get to Mars?”

“The disciplines that we were lacking in the company in the early days, that I wish we would have understood and hired for,” he said, were “a game theorist to just really understand the ramifications of tiny decisions that we make, such as what happens with retweet versus retweet with comment and what happens when you put a count next to a like but... See more