How do you assess the health of an innovation program and its ability to generate impactful and successful innovations?  If you're a commercial investor, over time the financial return of the selected investments may be a satisfactory proxy for the investments you've made.  

A lot of people, even those trained in the field, think that innovation is just one set of practices.  That's not the case.  How you do innovation depends on the kind of challenge you face.  And as a result, over the last 70 years, three very different methodologies have been widely adopted.  Today a fourth approach, Ecosystem Innovation, is emerging in response to the need to tackle complex and fast moving challenges in business and the world around us.