WHAT'S INSIDE: SOCIAL NETWORKING

Most of us know that Internet communities and social networking sites are popular, but how do blogs, podcasts, wikis and companies like Digg and MySpace work? Learn more in the Social Networking section.
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Some people are just too busy to do their own tweeting. So they have someone else do it for them. What famous people's tweets aren't coming straight from the horse's mouth?

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How MySpace Works

One of Web's most explosive phenomena, MySpace grew to 54 million profiles seemingly overnight. Find out what MySpace really is, how it blew past the competition and why Rupert Murdoch thought it was worth $580 million.

At what age should you let your kids on Facebook?

While Facebook stipulates kids should be at least 13 to create an account, it's not that hard for younger children find a way into the social networking site. How young is too young to be on Facebook?

INTERNET: SOCIAL NETWORKING
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