Here’s one about the same network four years later.
Debatin, B., Lovejoy, J.P., Horn, A-K, Hughes, B.N. (2009). Facebook and Online Privacy: Attitudes, Behaviors, and Unintended Consequences. Journal of Computer-Mediated Communication. Vol 15(1): 83-108.
why it was rated as having severe privacy flaws in a 2007 audit of websites by Privacy International:
concerns about data matching, data mining, transfers to other companies, and in particular Facebook’s curious policy that it “may also collect information about [its users] other sources, such as newspapers, blogs, instant messaging services, and other users of the Facebook service”
They suggest that users are motivated to share information based on three theoretical frameworks:
1) Uses and Gratifications Approach:
how people use media to fulfill their various needs, among them the three dimensions of (1) the need for diversion and entertainment, (2) the need for (para-social) relationships, and (3) the need for identity construction (Blumler & Katz, 1974; LaRose, Mastro, & Eastin 2001; Rosengren, Palmgreen, & Wenner, 1985)
2) Third Person Effect:
people expect mass media to have a greater effect on others than on themselves.
negative side effects are ascribed to others, while the positive effects are ascribed to oneself
3) Theory of Ritualized Media Use:
the use of Facebook is at least to some degree ritualized and (subcutaneously) built into its users’ daily life