Social networking has quickly become a popular method of communication, especially among teenagers and young adults. While previous generations of teenagers relied mainly on the telephone as a way to stay in contact with their friends, today's teenagers can use cell phones, instant messaging, text messaging, and social networks online to maintain almost constant contact with their friends. But what are the positive and negative aspects of social networking, and how has it changed society?

The world of social networking -- From finance and film to MySpace -- Creating MySpace -- MySpace matures -- Controversial beginnings -- Facebook moves off campus -- Facebook all grown up -- Hatching Twitter -- Twitter today -- Social networking and society -- Timeline -- Essential facts -- Glossary.