This document discusses the practice of propagation planning. It begins with Griffin Farley's background and experience in connection planning. Propagation planning is presented as the next evolution in planning theories after account planning and connection planning. The core of propagation planning is planning for how a message will spread from person to person through word of mouth and social channels. The document provides several case studies and examples of successful propagation strategies. It outlines how a propagation planner's role involves activities like moderating online communities and measuring the spread of creative assets.