If you're using a computer to generate charts for meetings and reports, you don't have to be taught how to lie - you're already doing it. You probably don't know your charts are unreliable, and neither does your audience. So you're getting away with it - until a manager or a sales prospect or an investor makes a bad decision based on the information that you were so helpful to provide. The main focus of How to Lie with Charts is on the principles of persuasive - and undistorted - visual communication. It's about careful thinking and clear expression. So don't blame the computers. People are running the show.