1. Blackshaw P Nazzaro M Consumer-Generated Media (CGM) 101: Word-of-mouth in the age of the web-fortified consumer http://www.nielsen-online.com/downloads/us/buzz/nbzm_wp_CGM101.pdf 2011
2. Social network sites: definition, history, and scholarship;Boyd;Journal of Computer-Mediated Communication,2007
3. Fitzpatrick B Recordon D Thoughts on the social graph (2007) http://bradfitz.com/social-graph-problem/ 2011
4. Personal information of adolescents on the Internet: a quantitative content analysis of MySpace;Hinduja;Journal of Adolescence,2008
5. Statistical mechanics of complex networks;Albert;Reviews of Modern Physics,2002