http://blogs.hbr.org/video/2012/11/innovate-by-looking-for-proble.html
Harvard Business Review Blogs
Innovate by Looking for Problem Patterns (VIDEO)

<p style="margin-left:20px"><a href="https://www.harvardmagazine.com/2011/08/clayton-christensen-questions-the-future-of-higher-education " 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>