In the installment of our Motley Fool Conversations podcast, Chris Hill talks with Harvard business professor Clay Christensen about disruptive innovation. Among the topics discussed:  

  • How do innovative companies stay innovative? 
  • What’s the key to IBM's (NYSE:IBM) successful evolution?
  • Which company is most vulnerable to disruptive innovation --- Apple (NASDAQ:AAPL), (NASDAQ:AMZN), or Google (NASDAQ:GOOG)?

New podcasts are published every Wednesday. Listen now at, or subscribe through iTunes.

Apple and are Motley Fool Stock Advisor recommendations. Google is a Motley Fool Rule Breakers recommendation. Mac Greer does not own shares of any of the companies mentioned. The Fool's disclosure policy is disruptive, but in a good way.