Life is pretty simple: You do some stuff. Most fails. Some works. You do more of what works. If it works big, others quickly copy it. Then you do something else. The trick is the doing something else.

The best leaders... almost without exception and at every level, are master users of stories and symbols.

Today brands are everything, and all kinds of products and services - from accounting firms to sneaker makers to restaurants - are figuring out how to transcend the narrow boundaries of their categories and become a brand surrounded by a Tommy Hilfiger-like buzz.

The market may never coalesce around one basic design, or even around two or three dominant devices.

Life is pretty simple: You do some stuff. Most fails. Some works. You do more of what works. If it works big, others quickly copy it. Then you do something else. The trick is the doing something else.

Power lies in the details, and the tenacious pursuit of such hidden levers can pay off enormously. While you don't want to get a reputation as a prissy worrywart, worrying about the details in private is important. You may think you are the world's greatest speaker, but if the auditorium's sound system is singing static - well, forget it.

I think economics is about passion. Economic progress, whether it is a two-person coffee shop or whether it is Netscape, is about people with brave ideas. Because it is brave to mortgage the house, when you've got two kids, to start a coffee shop.