Stanford to offers 6 more online classes from January

I can't find a link to the announcement except for a tweet (which I cannot post as HN flags it as spam) but it appears http://cs101-class.org, http://saas-class.org, http://hci-class.org, http://nlp-class.org, http://game-theory-class.org, http://pgm-class.org will all be starting in January 2012