The document discusses privacy concerns related to emerging information technologies. It notes that while security can be protected through technical means, privacy is most threatened by betrayal which cannot be prevented technically. Several trends in IT like social networks, cloud computing and the internet of things improve lives but also increase privacy threats like mass surveillance, profiling and manipulation. Violations can hurt individuals and reduce participation in e-democracy and e-commerce. The only effective privacy protection is ethics assisted by criminal law since the internet never forgets anything shared electronically.