Information Technology Virtual Communities and articles.
Links:
[1] http://66.228.45.157/virtual-comunities-example-sites/information-technology/brint-global-knowledge-network
[2] http://66.228.45.157/virtual-comunities-example-sites/industry/water-online-digital-marketplace
[3] http://66.228.45.157/virtual-comunities-example-sites-0