Sabine Trepte is a full professor of Media Psychology in the Department of Communication at the University of Hohenheim in Stuttgart, Germany.

Philipp K. Masur is an assistant professor in the Department of Communication Science at the Vrije Universiteit Amsterdam, The Netherlands.

Part 1: Perspectives on Social Media Privacy 1. Definitions of Privacy 2. Individualistic Privacy Theories 3. Privacy Theory - Social, Networked, Relational, Collective 4. Institutional Perspectives on Privacy 5. Group Privacy 6. A Situational Perspective on Privacy in Social Media 7. Privacy Calculus: Theory, Studies, and New Perspectives 8. Online Privacy Cues and Heuristics Part 2: Factors Shaping Social Media Privacy 9. Social Media Affordances and Privacy 10. Privacy and Trust 11. Challenges in Studying Social Media Privacy Literacy 12. Privacy Breaches 13. Privacy Cynicism: Resignation in the Face of Agency Constraints 14. Intercultural Privacy 15. Privacy and Gender Part 3: Populations and Their Social Media Privacy 16. The Translucent Family: Sharenting and Privacy Negotiations between Children and Parents 17. An Intimate Relation: Adolescent Development, Self-disclosure, and Privacy 18. Privacy in Later Life 19. Toward a Better Understanding of Minorities' Privacy in Social Media 20.Inequalities and Privacy in the Context of Social Media Part 4: Algorithms and Privacy 21. Privacy in Interactions with Machines and Intelligent Systems 22. Social Credit System and Privacy 23. Microtargeting, Privacy, and the Need for Regulating Algorithms 24. Health Data and Privacy Part 5: Solutions to Preserve Social Media Privacy 25. Nudges (and Deceptive Patterns) for Privacy: Six Years Later 26. Communicating Information Security 27. From Procedural Rights to Political Economy: New Horizons for Regulating Online Privacy 28. Regulating Privacy on Online Social Networks 29. Consumer Privacy and Data Protection in the EU 30. The Role of Participants in Online Privacy Research: Ethical and Practical Considerations