This document discusses driving product advocacy by engaging customers. It explains that customer recommendations are highly trusted and are the fastest way to grow a brand. The document outlines strategies for identifying champions among executives, employees, and customers. It provides examples of how to mobilize champions through social media campaigns, exclusive events, gamification, advocacy platforms, online communities, and certification programs. The goal is to continuously engage champions to generate testimonials, reviews, and growth through their advocacy. The document concludes by encouraging the reader to start their own customer engagement program.