Customers want to save money and time and have the broadest assortment of items, and we think that by bringing e-commerce and digital capabilities together with the stores, we can do things that a pure e-commerce player can't.

To describe my scarce leisure time in today's terms, I always default to reading.

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.

Historically, privacy was almost implicit, because it was hard to find and gather information. But in the digital world, whether it's digital cameras or satellites or just what you click on, we need to have more explicit rules - not just for governments but for private companies.

Digital technology has several features that can make it much easier for teachers to pay special attention to all their students.

In this business, by the time you realize you're in trouble, it's too late to save yourself. Unless you're running scared all the time, you're gone.