An interesting discussion on what it means to be an expert from the Harvard Business Review.  “Among the many qualities that distinguish successful leaders from millions of less-successful executives in the world is an awareness of the limits of their knowledge. They know what they know, they appreciate what they don’t know, and they have a healthy respect for what they don’t know they don’t know. In short, they have great meta-knowledge.”  Read More From Harvard Business Review (July 2012).