Google Webmaster SEO Starter Guide updated on 28 September and add some new features.Here’s what’s new in SEO Starter Guide updated * Glossary to define terms throughout the guide * More example images to help you understand the content * Ways to optimize your site for mobile devices * Clearer wording for better readability for more details http://googlewebmastercentral.blogspot.com/2010/09/seo-starter-guide-updated.html
I never really had visited the google webmaster guide section to check some updates. Good thing you brought it on the notice board. I was thinking though if google also had taken a big shift of their way to algorithmically arrange the site listings on their results pages.