Dr Boerket, et al. This might be useful. Anatoliy Gruzd, Barry Wellman and Yuri Takhteyev. 2011. "Imagining Twitter as an Imagined Community." American Behavioral Scientist 55, 10: 1294-1318; doi:10.1177/0002764211409378 Barry Wellman A vision is just a vision if it's only in your head Step by step, link by link, putting it together Streisand/Sondheim _______________________________________________________________________ NetLab Network FRSC INSNA Founder http://www.chass.utoronto.ca/~wellman twitter: @barrywellman NETWORKED: The New Social Operating System Lee Rainie & Barry Wellman http://amzn.to/zXZg39 _______________________________________________________________________