The 80/20 Principle (9 Hours): Astonishingly, though the 80/20 Principle has greatly influenced today's world, this is the first book which shows you how to use it in a systematic and practical way. Richard Aspel does an excellent job of enlivening to this interesting discussion of the 80/20 rule--the Pareto Principle--which states that we get 80 percent of our results from 20 percent of our activity. Koch provides background information and examples in addition to getting down to practical advice on how to put energy where it will get the greatest results.
