Larry Kim, the founder of WordStream, did an AMA ("ask me anything") in the SEO section of Reddit the other day. It's worth checking out here: http://www.reddit.com/r/bigseo/comme...ordstream_ama/

He also then wrote a follow-up piece on the WordStream blog detailing the seven best questions and answers from the AMA: http://www.wordstream.com/blog/ws/20...reddit-seo-ama