When I first blogged about MOOCs about a year ago, they were causing significant consternation about the fate of education. This hasn’t stopped their exponential growth across business and academia. Harvard Business School has introduced its online learning system, HBX. California-based online course provider Coursera just snared ex-Yale president, Richard C. Levin, as its new chief executive. There’s also movement afoot, backed by the U.S. Secretary of Education, Arne Duncan, to review how....