This document discusses the history and measurement of social media marketing. It describes how Gutenberg's printing press helped spread ideas and catalyzed the French Revolution. More recently, social networks like Facebook and Twitter helped enable the Arab Spring uprisings. The document outlines different tools for measuring the key elements needed for successful social media marketing: fuel/audience, oxygen/engagement, and heat/sharing. It provides examples of both free and paid tools for analyzing followers, content interactions, sentiment, traffic and achieving business goals.