2. Examples include countless BBSs, Usenet groups, dormant or dead email lists, message boards, MUDs, online games and websites, and even popular UGC websites such GeoCities, theglobe.com and JuicyCampus. For a post-mortem case study of a once-vibrant online community, see Amy Bruckman and Carlos Jensen’s “The Mystery of the Death of MediaMOO, Seven Years of Evolution of an Online Community” in Building Virtual Communities 21 (Ann Renninger and Wesley Shumar eds., 2002).