I could not agree more that social networking is an untapped resource for the online learning environment. Social networking allows for a feeling of community in the online world where students need not feel so anoynymous. One of my only concerns with social networking lies in the lack of etiquette sometimes displeyed. Rude words, comments and any other form of subtle attack that students might resort to in response to a comment or concept that they disagree with. I think that at the beginning of an online course "respect" should be emphasized and demanded for all, by all.