This document summarizes key approaches to measuring the value of word-of-mouth (WOM) marketing. It discusses the Customer Value Matrix, Net Promoter Economics, the Social Value of Opinion Leaders model, and the Conversation Value model. Each approach focuses on calculating customer lifetime value and the impact of WOM, using different methodologies like agent-based modeling or measuring generational reach. The document also outlines presentations to be given on driving business metrics with WOM, measuring WOM globally and online vs offline, calculating return on investment from WOM, and planning and measuring WOM programs.