Google SEO expert Matt Cutts spoke at WordCamp San Francisco 2009, and the video i available over at the WordPress Publishing Blog. Why would they publish it? Well, it might have something to do with this:
WordPress takes care of 80-90% of (the mechanics of) Search Engine Optimization (SEO)
Great praise indeed, and true at that. Launching a site using WordPress (or any other SEO friendly platform for that matter) is a good idea if you want to rank well in the search engines. If you’re interested you might want to check out Matt Cutts’ slides from the presentation as well.