When you say that after World War I there was a pandemic that killed more people than the war itself, most will say: "Wait, are you kidding? I know World War I, but there was no World War 1.5, was there?" But people were traveling around after the war, and that meant the force of infection was much higher. And the problem is that the rate of travel back then was dramatically less than what we have nowadays.

With Windows 8, Microsoft is trying to gain market share in what has been dominated by the iPad-type device. But a lot of those users are frustrated. They can't type. They can't create documents.

Common Core is a big win for education.

I'm not a macroeconomics person.

Personal computing today is a rich ecosystem encompassing massive PC-based data centers, notebook and Tablet PCs, handheld devices, and smart cell phones. It has expanded from the desktop and the data center to wherever people need it - at their desks, in a meeting, on the road or even in the air.

I think any statement about stock prices is always suspect unless it's made by Warren Buffett.

When the PC was launched, people knew it was important.