The key for us, number one, has always been hiring very smart people.

The most meaningful way to differentiate your company from your competition, is to do an outstanding job with information.

Does the e-mail say it's about 'enlargement' - that might be spam.

Microsoft Research has a thing called the Sense Cam that, as you walk around, it's taking photos all the time. And the software will filter and find the ones that are interesting without having to think, 'Let's get out the camera and get that shot.' You just have that, and software helps you pick what you want.

But the improvements will happen faster and last longer if we can channel market forces, including innovation that's tailored to the needs of the poorest, to complement what governments and nonprofits do. We need a system that draws in innovators and businesses in a far better way than we do today.

Make it just like a Mac.

3D is a way of organizing things, particularly as we're getting much more media information on the computer, a lot more choices, a lot more navigation than we've ever had before.