This document discusses social networking and the results of a study on social networking usage. It defines social networking as an online platform for groups to share information like interests and activities. It outlines common features of social networking sites and presents results from surveys on usage. The results show that most people feel aware of site terms but not fully secure. Case studies demonstrate both negative impacts like online threats and positive impacts like using social media to find a bone marrow donor. The document also covers legal implications of social media use including privacy, copyright and employment law issues.