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.

FEATURED: SOCIAL NETWORKING

Future of Computers

FPO

Twitter is changing the way many people keep in touch. If you've got something to say in just a few characters, you can reach lots of people with a single Tweet.

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How Investor Village Works

In an era of unprecedented financial instability, Investor Village helps people find and discuss the best ways to store and grow their hard-earned nest eggs. You have to pay to play, though.

How Zwinky Works

Imagine walking around Zwinktopia's Zwinchester mall with your Zcard in-hand -- loaded with Zbucks. If you don't recognize any of these terms, then you must not be one of Zwinky's more than 16 million users.

INTERNET: SOCIAL NETWORKING