There are more than 9,000 billing codes for individual procedures and units of care. But there is not a single billing code for patient adherence or improvement, or for helping patients stay well.

I've concluded that getting the categories right is an absolutely crucial step to building useful management theory, and unfortunately too few writers do this. You've got to engage in serious scholarship, and then figure out how to write it in a way that lots of people can understand.

To prop up the stock price, managers have to turn down the screws on everybody. That forces them to cancel all the projects that would lead to future growth in order to drop money to the bottom line. This is HP's dilemma today. Once a company's growth has stopped, the game as we have known it is over. It's a scary thing.

Efficiency innovations provide return on investment in 12-18 months. Empowering innovations take 5-10 years to yield a return. We have ample capital - oceans of capital - that is being reinvested into efficiency innovation.

It is a company's customers who effectively control what it can and cannot do.

Almost always great new ideas don't emerge from within a single person or function, but at the intersection of functions or people that have never met before.

If a company truly wants to resolve the innovator's dilemma, it does need to be able to create wave after wave of disruptive innovation. And those disruptive innovations will typically grow to the point where they do cause some pain for leading companies. But most disruptive innovations create substantial new growth before they cause that pain.