Want to understand how Google works? Want the information straight from the horse’s mouth?
Google have just produced a very useful PDF booklet called Making the Most of Your Content: A Publishers Guide to the Web.
It’s excellent. Read it. Even if you think you know it all already, read it.
Warning: Geek Alert
I found this on Matt Cutt’s very useful posting discussing Google’s improved documentation. Lots of Google goodies in there of a technical nature, including robots.txt, IP delivery, nofollow, and quality guidelines