In message "Sue Mosher
[MVP-Outlook]" wrote:

Another way to look at it: If you hang on sites like flickr and del.icio.us, a category is like a tag. It helps you organize your content.

To add to this a little, the important thing to know about categories is
that you can have more then one on an item.

This adds an incredible amount of power and flexibility.

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We know America is a great nation! Where else could a poor black boy
be born in utter poverty and end up a rich white man?
Only in America!