Beware of the High Cost of 'Free' Online Courses

NYTimes.com: That the acronym MOOCs rhymes with “nukes” seems apt. Massive open online courses, or MOOCs — led by two profit-making start-ups, Coursera and Udacity, founded by entrepreneurial Stanford professors — are a new disruptive force in education. Leading universities have scrambled to join or offer alternatives like edX, a collaboration of the Massachusetts Institute of Technology, Harvard University and others.