The document discusses how social networks can be used for organizing and social change efforts. Specifically, it discusses how the Genocide Intervention Network (GI-Net) uses social networks like Facebook and MySpace to educate and empower their members to prevent and stop genocide. It provides examples of successful social network campaigns run by GI-Net, such as using Facebook to identify student pressure needed to pass legislation, raising awareness of issues through photo campaigns, and coordinating large fundraising efforts through social networks. The document emphasizes that social networks are most effective when used for long-term organizing that engages and facilitates conversations among members to build a knowledgeable and active movement.