How to Make a Massive Open Online Course | Harvard Magazine

"Faculty members typically spend 96 to 142 hours helping produce and run an eight-week MOOC, according to HarvardX estimates. The production of Hernán’s—its pacing dictated by his availability amid a packed schedule of lectures in the United States and abroad—will have spanned 20 months, a bit longer than usual. But when complete, it will free him from much of the time and expense of traveling to teach this fundamental introductory material."