Whether it's Google or Apple or free software, we've got some fantastic competitors and it keeps us on our toes.

Apple has always leveraged technologies that the PC industry has driven to critical mass - the bus structures, the graphics cards, the peripherals, the connection networks, things like that - so they're kind of in the PC ecosystem and kind of not.

The future of Windows is to let the computer see, listen and even learn.

You can always think of something like the Xbox 360 as a super set-top box that can do everything the set-top box does, but then have the graphics to do the games as well.

If you go back to 1800, everybody was poor. I mean everybody. The Industrial Revolution kicked in, and a lot of countries benefited, but by no means everyone.

Drones overall will be more impactful than I think people recognize, in positive ways to help society.