Here's an article from the latest issue (October) of the Journal of Computer-Mediated Communication.

Skim through to the section of "Reflexivity". I think MemeSreams should promote valuable discourse among members of the community.

Abstract: In recent times, much has been said about the possibility that the two-way, decentralized communications of cyberspace can provide sites of rational-critical discourse autonomous from state and economic interests and thus extending the public sphere at large. In this paper the extent to which the Internet does in fact enhance the public sphere is evaluated. [A]nalysis shows that vibrant exchange of positions and rational critique does take place within many online fora. However, there are a number of factors limiting the expansion of the public sphere online. [...]

Computer-Mediated Communication and the Public Sphere