1. The document discusses privacy issues related to online social networks. It notes that while social networks allow free communication, their main business is commercially exploiting the large amount of personal data provided by users.
2. It provides context on what social networks are and how they work, noting the growth of platforms like Facebook and defining categories like general social networks and professional networks.
3. The document analyzes legal issues from a privacy perspective, focusing on requirements for user consent, users' roles as potential data controllers, and protections for minors. It uses European data protection law as a framework.