There are a lot of designers who think they understand technology and a lot of technology guys who think they understand design. But to put them together and make it robust and repeatable for the mass market? It's an art.

Learn by doing. Learn through experiences. And this goes back to Steve Jobs' thing - which is the way you open up your knowledge of the world is by discovering it and learning about it, not through books, but by being there.

It's easy to solve a problem that everyone sees, but it's hard to solve a problem that almost no one sees.

I'm always doubtful. Everything I do is always doubtful. When you're trying to differentiate, there's going to be this gut sense, is this right? If you're not having doubt, then you're not pushing it hard enough, or you're not looking at the details close enough. You need to be feeling that doubt every single day.

If you're not having doubt, you're not pushing the boundaries far enough.

People buy products, and they want to understand what those things are and how they are applicable to their life.

Over the next ten years, everything that has a cord is going to have data in it.