From the Book - First Avid Reader Press hardcover edition.
Reset : drop everything and sprint on the most important challenge until it's done
Customer : start by identifying your customer and a real problem you can solve
Advantage : take advantage of your advantages
Competition : get real about the competition
Differentiation : differentiation makes products click
Principles : use practical principles to reinforce differentiation
Options : seek alternatives to your first idea
Lenses : consider conflicting opinions before choosing an approach
Hypothesis : it's just a hypothesis until you prove it
Experiment : experiment with tiny loops until your solution clicks. Then build it.