If you're interested in learning more about
SEO, how search engines work, and staying up to date on Google in particular you'll want to check out
Google's Webmaster Central Channel on YouTube.
The official channel description reads:
This is the official YouTube channel for Google Webmaster Central, your one-stop shop for webmaster resources that will help you with your crawling and indexing questions, introduce you to offerings that can enhance and increase traffic to your site, and connect you with your visitors. Learn more at http://www.google.com/webmasters/
Definitely a resource worth paying attention to!
(There's also a
Google Business Channel full of interesting, more general information.)