This document provides an overview of social networking including its history and evolution over time. It discusses early social networking platforms from the 1970s through the 1990s like CompuServe, AOL, Classmates, and Friendster. Popular current sites like Facebook, Twitter, and LinkedIn are also examined. Both the pros and cons of social networking are outlined related to privacy, identity theft, and viruses. Statistics on social networking usage in Canada are presented. The conclusion reiterates that social networking has changed culture and brought people together globally online.