I recommend a great resource website called www.Semiologic.com this site has easy to understand information if you need help with RSS Feeds!
So why You should care about feeds?
The reasons you should care about feeds reportedly are:
— You want to be notified of updates from the many web sites that you read without visiting them one by one.
— You prefer to read your favorite web sites from one convenient location without any interface clutter.
In practice, the reasons you should and do care about feeds are:
— You want to be notified of updates from the many web sites that you don't trust enough to reveal them your email address.
— You want to reorganize the raw information that is available for syndication as you see fit.