It might seem everything there is to know about project management already exists. But The One-Page Project Manager is something different. It is about communicating with those who are not part of the project, both inside and outside the organization. This constituency includes: the board of directors, senior management, suppliers, customers, superiors and subordinates indirectly involved with the project or its outcome, and others.
Clipping is a handy way to collect important slides you want to go back to later.