"the fourth wave of online education...: “Cohort-Based Courses,” ... the first to tap into the essential nature of the Internet: that it is open-ended and interactive."Takes you through the first 3 waves:MOOCs, from 2008: overcame the “How to get content online,” problem "by converting traditional course materials into digital form …

author of The Content Trap and professor at Harvard Business School, talks about the strategic challenges facing digital businesses, and explains how he and his colleagues wrestled with them when designing HBX, the school’s online learning platform... success for the best companies does not come from making the best content, it comes from recogniz…