This document discusses social networking and its potential effects. It begins with a brief history of social networking, noting its origins in the 1930s and 1950s. It then provides an overview of some of the most popular social networking sites today, including Facebook. The document raises the hypothesis that as social networking becomes a larger part of people's lives, it may begin to negatively impact users both mentally and socially by reducing attention spans and increasing loneliness and depression. It also discusses some of the strengths and threats facing social networking platforms.