I'm not sure what discussion the OP was referring to, but there was a recent publication in the MIT Sloan Management Review: http://www.bloomberg.com/news/artic

I'm not sure what discussion the OP was referring to, but there was a recent publication in the MIT Sloan Management Review: http://www.bloomberg.com/news/articles/2015-10-05/did-clay-christensen-get-disruption-wrong- http://www.bloomberg.com/news/articles/2015-10-05/did-clay-c... http://sloanreview.mit.edu/article/how-useful-is-the-theory-of-disruptive-innovation/ http://sloanreview.mit.edu/article/how-useful-is-the-theory-...