This article examines the new conceptualizing and thinking about privacy. It discusses older theories of privacy and explains why they became obsolete. It suggests that the reconceptualization of privacy was influenced by the developments in information technologies, radical changes in the relation between the sexes, and the intrusion of intimacy into the public realm. It describes the normative problems associated with privacy and differentiates the three dimensions of privacy: decisional privacy, informational privacy, and local privacy.