“Companies cannot achieve superior and lasting business performance simply by following a specific set of steps. Over the past decade, some of the most popular business books have claimed to reveal the blueprint for lasting success, the way to go from good to great, or how to craft a fail-safe strategy or to make the competition irrelevant. At first glance, many of the pronouncements in such works look entirely credible. They are based on extensive data and appear to be the result of rigorous analysis. Millions of managers read them, eager to apply these keys to success to their own companies. Unfortunately, many of the studies are deeply flawed and based on…” - Phil Rosenzweig mckinseyquarterly.com