WordPress starts WordPress.tv.
On WordPress.tv, you’ll find tutorials for both WordPress self-installs and WordPress.com to help you get blogging fast and hassle-free. We’ve kicked things off with the basics — now you can shape what comes next. Just drop us a line and let us know what you’d like to see added. (Source: WordPress blog)
This is like screencast to how to use the WordPress blogging platform. I think it’s great for new users when WordPress features aren’t entirely obvious.