Social Network Sites have many users and privacy threats have regularly surfaced. But what legal rights do users have that are harmed by these threats? What rights should they have to be able to protect themselves adequately? Professor Milton Mueller of Syracuse University and Delft University of Technology, and Natali Helberger, assistant professor of the Amsterdam Insitute for Information Law (IVIR) discuss these issues. Part of the conference on Privacy in Social Network Sites at Delft University of Technology, October 23 and 24, 2008. www.privacyinsocialnetworksites.nl