In Rise of Superman, Kotler goes into detail to describe the state of flow, a term first coined by Mihaly Csikszentmihalyi in his aptly titled book Finding Flow. Throughout the book, Kotler uses examples of extreme athletes pushing into the physical unknown to accomplish monumental achievements in their various sports. Using these athletes as examples, he breaks down what it means to be in flow and provides hacks on how to incorporate flow into your own life.