When most of us learn a new skill, we work to get just "good enough" and then we go on autopilot. We hit what journalist and bestselling author Joshua Foer calls the "OK Plateau," where we have gained sufficient skills for our needs and we stop pushing ourselves. But experts do it differently. Looking at the research on everyone from incredible athletes to memory champions, Foer has extracted four principles that describe how to push through the OK Plateau to achieve true greatness. Watch this fantastic talk to learn strategies for developing expertise in any field.