http://www.nytimes.com/2013/03/26/education/harvard-asks-alumni-to-donate-time-to-free-online-course.html?_r=0&gwh=612AE279B908C3E4C5F69ADB7276E79B
The New York Times

<p style="margin-left:20px"><a href="https://www.harvardmagazine.com/2013/02/online-evolution-accelerates " target="_blank"> <img src="https://harvardmagazine.com/sites/default/files/HM_forWebRedesign_final.png" alt="View related Harvard Magazine article" title="View related Harvard Magazine article">Read more on this topic in <span style="font-style:italic; font-weight:600;">Harvard Magazine</span></a></p>