Learn AI at Stanford Free

We worked with the Stanford Knowledge Systems Laboratory in the mid 1980s when actively involved in artificial intelligence, impressive group, and took a number of their courses before linking up with a vendor in the space.  I see that they are now offering an online course in AI  which starts in October.  No credit hours from Stanford ...  " ... Starting October 10th, you can join Professor  Sebastian Thrun and Google's Director of Research, Peter Norvig, in a free, online version of the school's Introduction to Artificial Intelligence course. The class covers, "knowledge representation, inference, machine learning, planning and game playing, information retrieval, and computer vision and robotics," and ambitiously aims to be the largest online AI course ever taught ...  "