Social networking is a phenomenon in which users interact and communicate with a network of friends. These sites go beyond the breadth of e-mail, however, by allowing users to set up profiles, add photos and videos, send messages, create groups of common interest, blog, and more.
Read more about two "giants" in social networking, MySpace and Facebook.
For a full list of sources (including images and all written content), see the sources page. Our sources might prove useful if you are interested in further reading on web interactivity.
Check out our case studies, which provide a more comprehensive and detailed history of particular "interactive" Web 2.0 start-ups. Read about the "big names" of interactive, user-driven web sites.
Take advantage of our interactive resources. Test your knowledge with our quizzes and learn with our flash games.