The document outlines the science of engagement according to three experts. It identifies nineteen elements that drive engagement, including aesthetics, associations, belonging, desire, empathy and intrigue. It also provides four game-changing principles for engaging others: 1) understand their moods, 2) appeal to them when they're receptive, 3) act with conviction, and 4) differentiate yourself. Examples are given of how companies like Red Bull, Disneyland Paris, Apple and IKEA apply these principles.