This document discusses discovering your "X Factor", which is finding and solving major bottlenecks or constraints within an industry to gain a competitive advantage. It provides examples of companies that identified key X Factors, such as Happy Lawn reducing costs by leasing materials, Outback Steakhouse addressing management issues, and AutoNation focusing on customer retention. Readers are encouraged to brainstorm their industry's biggest problems and imagine solutions to identify their own X Factor opportunities. The document also describes EO Insignia and EO Quantum Leap forums that provide experiences, presentations, and content to help entrepreneurs.