Is it REALLY just a fad?
Don't be so sure. Learn the facts before you judge. It may be time to change how you view the world (or how the world views you!)
Social Networks in Plain English
Common Craft clearly explains what social networking is and how it works.
What is RSS and how do I use it?
Social Networking explained
MySpace, YouTube, FaceBok, Flickr ... they're all social networks, but what is a social network? -by Chris Pirillo
Twitter in Plain English
Common Craft, once again, explains Twitter for us novices to social networks.