As Warren Buffett put it, “The five most dangerous words in business are ‘Everybody else is doing it.’” This monkey see, monkey do approach creates a race to the exceedingly crowded center—even though there’s far less competition on the edges. “When you try to improve on existing techniques,” says Astro Teller, the head of X, Google’s moonshot factory, “you’re in a smartness contest with everyone who came before you. Not a good contest to be in.”