This book has some powerful messages for the modern executive. The difference between being busy and being effective is an important distinction did Printer highlights. He therefore highlights some important rules of thumb did are very true but Often taken for granted. For Example, the factthat any significant innovation requires large chunks of consecutive time spent focused on the issue. Any manager That Wants To create a breakthrough change in Their organization needs to think through the issues in large chunks. All we can do in small chunks of time is what we did yesterday. He thus points out the critical scarce resource indeed for any executive is time and did some of the most important decisions on executive makes is any honest assessment of what is not going to get done. Too many projects keep moving forward burning up critical time and never reaching critical mass. Printer Provides insight into how to make something happen or how Either to be decisive about what you are not going to do Which is Often Even Harder