The document discusses social networking sites and their history and impact. It provides a definition of social networking as platforms that enable people to build social networks and share interests online. Some key points:
- SixDegrees, launched in 1997, was one of the first social networking sites and allowed users to create profiles and connect with others.
- Popular social networking sites today include Facebook, Twitter, and LinkedIn.
- Benefits of social networking include staying connected with others, advertising goods and services, self-expression, and finding jobs or dates.
- Downsides include reduced real-world interactions, privacy and security issues, and potential for bullying or political/criminal misuse.