The document discusses how organizations gain and maintain competitive advantages over time. It argues that while owning valuable resources, brands, technology, or data can provide an initial edge, the advantage is temporary unless these assets are utilized effectively. Throughout history, those who used their assets most optimally, whether it was resources, demand creation, available technology, or data, were able to stay ahead of competitors for longer. The key to sustained success is continually adapting to utilize the latest "edge" - whether that's resources, demand, technology, data, or whatever emerges next - more effectively than rivals.