Readings:
Wellman, Barry. 1999. The Network Community: an Introduction. Pp. 1-48 in Networks in the Global Village, edited by Barry Wellman. Boulder: Westview Press.
Freeman, L. C. (2000). See you in the funny papers: Cartoons and social networks. Connections, 23(1), 32-42.
Munge, Peter and Noshir Contractor. 2003. Theories of Communication Networks. Oxford: Oxford University Press (pp 29-45).