The 80/20 Principle, Expanded and Updated: The Secret to Achieving More with LessBe more effective with less effort by learning how to identify and leverage the 80 20 principle: that 80 percent of all our results in business and in life stem from a mere 20 percent of our efforts. The 80 20 principle is one of the great secrets of highly effective people and organizations. Did you know, for example, that 20 percent of customers account for 80 percent of revenues? That 20 percent of our time accounts for 80 percent of the work we