"An MOOC for a subject is truly just a big wikipedia article." I don't agree with this. I've taken several online courses at EdX (EE, AI) Coursera(ML, PGM) an

"An MOOC for a subject is truly just a big wikipedia article." I don't agree with this. I've taken several online courses at EdX (EE, AI) Coursera(ML, PGM) and Udacity(Web App, Hadoop), and the things that are in the online classes that are not in a Wikipedia article - other students, homework with deadlines - are a large part of the value provided.