Really good really free Edelman paper on influence of social networks

Download distributed-influence_quantifying-the-impact-of-social-media
Here’s a sample of the type of information that you can glean from this paper:
“In Jeremiah Owyang’s Dow Jones White Paper on ‘Tracking the Influence of Conversation’, a meme was defined as: “an idea or discussion that grows and spreads from individual to individual into a lengthy commentary”.
(Jeff Jarvis) strongly believed that for someone [...]