Cutting through complexity to find a solution runs through four predictable stages: determine a goal, find the highest-leverage approach, discover the ideal technology for that approach, and in the meantime, make the smartest application of the technology that you already have - whether it's something sophisticated, like a drug, or something simpler, like a bednet.

Two years from now, spam will be solved.

Business isn't that complicated. I wouldn't want to put it on my business card.

People often overestimate what will happen in the next two years and underestimate what will happen in ten.

Make it just like a Mac.

We're focused on providing innovations in software, driving the continuous improvement for a much better experience, and there's a lot going on here that speaks to this decade and what's going to happen in this decade. We can kind of sum it up in terms of saying, "Yes, you can."

Having kids has been a fantastic thing for me. It's meant that I'm a little more balanced. In my twenties I worked massively, hardly took vacation at all. Now, I, with the help of my wife, I'm always making sure I've got a good balance of how I spend my time.