I've always been amazed by Da Vinci, because he worked out science on his own. He would work by drawing things and writing down his ideas. Of course, he designed all sorts of flying machines way before you could actually build something like that.

We're at the point now where the challenge isn't how to communicate effectively with e-mail; it's ensuring that you spend your time on the e-mail that matters most.

Windows 8 is key to the future, the Surface computer.

I don't like typing messages on my phone. Some people get used to it.

I've always been amazed by Da Vinci, because he worked out science on his own. He would work by drawing things and writing down his ideas. Of course, he designed all sorts of flying machines way before you could actually build something like that.

Even when I wrote Basic myself the day before I burned it into a computer I wasn't making design changes. I didn't have a testing team. I did all the testing myself. And there was no project methodology or schedule that, there was the notion of coming to a close means testing a lot at the end and making very few changes.

A bad strategy will fail no matter how good your information is. And lame execution will stymie a good strategy. If you do enough things poorly, you'll go out of business.