Thought folks here would be interested in the material in the latest Journal of Computer-Mediated Communication. Here are the articles that interest me most, but they all look great:

Social Network Profiles as Taste Performances
Hugo Liu
A social network profile's lists of interests can function as an expressive arena for taste performance. Based on a semiotic approach, different types of taste statements are identified and further investigated through a statistical analysis of 127,477 profiles collected from MySpace.

Public Discourse, Community Concerns, and Civic Engagement: Exploring Black Social Networking Traditions on BlackPlanet.com
Dara N. Byrne
Participants on BlackPlanet are deeply committed to ongoing discussions about black منتديات community issues. However, none of these discussions moved beyond a discursive level of civic engagement, suggesting that the potential for mobilization through social networking online has not yet been realized.

The Creative Commons and Copyright Protection in the Digital Era: Uses of Creative Commons Licenses
Minjeong Kim
Using a mixed-methods approach, this study characterizes Creative Commons (CC) licensors, the ways that they produce creative works, and the private and public interests that CC licenses serve.