From the article: build an online audience in the millions, sets tuition to zero, starts broadcasting (and archiving) every lecture at the highest possible qual

From the article: build an online audience in the millions, sets tuition to zero, starts broadcasting (and archiving) every lecture at the highest possible quality This has been running in the UK since the 1970s ( http://www.open2.net/ http://www.open2.net/ ) and enrollment was free. 180000 students are currently enrolled.