First I've seen on completion stats for the Stanford online courses: "Besides the Artificial Intelligence course, Stanford offered two other MOOCs last semeste

First I've seen on completion stats for the Stanford online courses: "Besides the Artificial Intelligence course, Stanford offered two other MOOCs last semester — Machine Learning (104,000 registered, and 13,000 completed the course), and Introduction to Databases (92,000 registered, 7,000 completed)."