This document discusses measuring social media engagement and effectiveness. It focuses on measuring reach, engagement, and actions. Reach refers to the number of people an organization talks to and engages with on social media. Engagement looks at how many people listen to and discuss an organization's social media presence. Actions examines how many people perform meaningful actions like donations or petitions. The document provides tips on using analytics tools from Google and Twitter to track these metrics and improve social media strategies over time based on benchmarking and testing various content types and messages.