Think about the market, think about the design, and think about who is going to design for that market. Hit the mark.

An era similar to the one in which the black rotary phone dominated its product category may not recur anytime soon.

Oh Lord, there it is again. The question;" What kind of business should I start?" Incidentially, it has a twin that also sets me off: "What should I specialize in during the second year of my MBA studies?" Sorry, but those are two of the most profoundly upsetting questions anyone can ask - upsetting because the answer should be obvious: Do what turns you on, not what the statistics say is best.

Business book writing for me is when some set of ideas gets stuck in my mind, I write a book about it. I haven't got a theory and I haven't got a framework.

Remember: You are the only human being in the world who can help this particular customer at this particular moment in time.

The drive for control, or the perception thereof, is truly the strongest force in human nature.

It's not enough to be close to the customer. You've got to be glued to the customer.