Body language is a critical component of good communication, and often conveys a bigger message than the words you say. The complete guide to mastering the art of effective body language Body Language For Dummies is your ideal guide to understanding other people, and helping them understand you. This book teaches you how to interpret what people really mean by observing their posture, gestures, eye movements, and more, and holds up a mirror to give you a clear idea of how you're being interpreted yourself. This updated third edition includes new coverage of virtual meetings, multicultural outsourcing environments, devices, and boardroom behaviours for women, as well as insight into Harvard professor Amy Cuddy's research into how body language affects testosterone and cortisol, as published in the Harvard Business Review..