This document discusses various social media metrics and analytics that can be used to measure performance. It covers key terms like analytics, metrics, and ROI. It also discusses different types of social media measures like buzz, popularity, reach, interactions and sentiments. It provides details on tools like Google Analytics, Facebook Insights, and Twitter analytics that can track metrics like followers, traffic sources, reactions and influence. Network analysis is also discussed as a way to measure influence, centrality and prestige within social networks.