Over the last decades, the web has become significantly more social and made communication among companies and users much easier. At the same time, terms such as “privacy” were in many cases underestimated because of the abundance of public shared personal data. Users are dynamically contributing to the content production of the web, and they often get involved in a “game” where their personal data becomes the actual product. It is not unusual for a user to misunderstand that his personal data is information that could be publicly shared without any special protection.