For those of you not familiar with google reader:

Keep track of your favorite websites
Stay up to date
Google Reader constantly checks your favorite news sites and blogs for new content. Whether a site updates daily or monthly, you can be sure that you won't miss a thing.
Simplify your reading experience
Google Reader shows you all of your favorite sites in one convenient place. It's like a personalized inbox for the entire web.
Discover new content
Millions of sites publish feeds with their latest updates, and our integrated feed search makes it easy to find new content that interests you.

Google Reader tour