Good innovators like to solve business crossword puzzles.

Not only do innovators have to deal with all of the fundamental challenges of innovation, they have to do so in an environment that often is implicitly hostile towards innovation.

The school at which you studied - design school, disruptive school, TRIZ school, user-centered innovation school, etc - determines the specific words you use.

Good innovators like to solve business crossword puzzles.

Teams working on disruptive ideas need to be small enough that they can be fed by no more than two pizzas.

Another key role the CEO plays is to focus efforts.

Anytime you see a constrained market, where consumption is limited to those who have special skills or are wealthy, that signals an opportunity for innovation.