One of the strategic intents of the 2011-2014 eXtension Strategic Roadmap is to reach more customers. Social media makes the Cooperative Extension System more visible. It invites learner collaboration via reactions, comments, reviews and rankings.
Eighteen communities of practice and the Military Family Learning Network are on Facebook. Check out tips for Facebook and the list of eXtension Facebook pages at http://create.extension.org/node/87209.