This document provides guidance on launching a successful social media program for a campaign. It recommends starting early, innovating incrementally, and measuring both success and failure. The document outlines key players and activities, and suggests providing a variety of engaging content and opportunities for supporters to get involved at different levels of commitment. Both qualitative and quantitative metrics are important to measure to understand engagement, participation, reach, and impact. Social media is still new but growing rapidly, especially among teens and young adults, so an online presence is crucial.