Part 1: Problems.- Chapter 1. Transparency of Digital Providers and Digital Divide.- Chapter 2. Authorities and Private Companies in Regulating Software Technologies.- Chapter 3. Liability and Accountability in the 'Digital' Relationships.- Chapter 4. Social Media, Mobile Apps and Children Protection.- Part 2: Perspectives.- Chapter 5. Personal Data, Non-Personal Data, Anonymised Data, Pseudonymised Data, De-Identified Data.- Chapter 6. Personal Data As Counter-performance.- Chapter 7. Cookies and the Passive Role of the Data Subject.- Chapter 8. Data Management Tools and Privacy by Design & by Default.- Chapter 9. Reconciling Data Protection and Cybersecurity: An Operational Approach for Business Sector.- Chapter 10. Copyright and Data Protection.- Part 3: Applicable solutions.- Chapter 11. eHealth and Data.- Chapter 12. Location Data and Privacy.- Chapter 13. Rise and Fall of Tracing Apps.- Chapter 14. Privacy, Software and Insurance.- Chapter 15. IoT and Privacy.