1. Bausch, S. & Han, L. (2006). Social networking sites grow 47 percent, year over year, reaching 45 percent of web users. Available from: Retrieved 17.12.07.
2. Why youth (heart) social network sites: The role of networked publics in teenage social life;Boyd,2008
3. IMing, text messaging, and adolescent social networks;Bryant;Journal of Computer-Mediated Communication,2006
4. Social capital in the creation of human capital;Coleman;American Journal of Sociology,1988
5. Djajadiningrat, T., & Kyffin, S. (2007). Disintermediating the PC: A product centric view on Web 2.0. In Proceedings of the 2007 conference on designing pleasurable products and interfaces (DPPI ‘07), August 22–25, 2007, Helsinki, Finland. New York: ACM.