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==Further Readings==Group polarization in deliberation<ref>[http://as.nyu.edu/docs/IO/2784/SelfDiscoveryJTP.pdf Catherine Hafer, Dimitri Landa, Deliberation as Self-Discovery and Group Polarization, Journal of Theoretical Politics, 2007]</ref>
See Cass R. Sunstein - Why Societies Need Dissent<ref>[http://papers.ssrn.com/sol3/papers.cfm?abstract_id=441340 Sunstein, Cass R., Why Societies Need Dissent. Harvard University Press, September 2003]</ref>, and slso this article that suggest that social networks will create increase in group polarization<ref>[http://arxiv.org/pdf/physics/0603023.pdf Petter Holme and M. E. J. Newman, Nonequilibrium phase transition in the coevolution of networks and opinions, Physical Review E, 2006]</ref>