Remember that ten-thousand-hour theory of expertise? Well, without anybody bothering you, you have a lot of time to get really good at stuff. In this age of constant distractions, we can all learn something from Newton. Yes, extroverts can draw on the resources of an incredible network, but that doesn’t leave a lot of time for something important: hard, lonely work in the trenches. You see, the superpower of introverts is that they are far more likely to become experts in their field.