Most people think that what you need to present your ideas is a "gift of gab" and/or a fancy set of slides. This is far from the truth. Similarly, a large number of people believe that for effective writing, you need an extensive vocabulary and an in-depth knowledge of the rules of English grammar. No wonder, most people hate writing. Of course, these things help but what is more important is knowing and implementing the 80/20 rule of communicating your ideas effectively. It is this 80/20 rule that is the most vital part of your presentation or writing which will convince others to adopt your ideas or buy your products and not the expensive colorful slide presentation you have made. In fact, implementing this 80/20 rule will automatically make your presentation or writing precise, convincing, of optimum length/duration, easily understandable, believable and interesting. You could end up killing a number of birds with one stone. But you have to read this book to find out what this 80/20 rule is.