This document discusses how brands can leverage influencers in their marketing. It recommends that brands hire a community manager, tap into existing brand communities to identify influencers, understand influence measurement tools, build visualizations to celebrate advocates, and engage and reward influencers. The document also outlines tactics that are not widely used, such as engaging influencers on Twitter during campaigns and empowering them to share content. It provides an example of how Red Bull successfully leverages influencers.