As you improve health in a society, population growth goes down. You know, I thought it was... before I learned about it, I thought it was paradoxical.

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.

Ninety percent of the cases of polio are in security-vulnerable areas.

Polio's pretty special because once you get an eradication, you no longer have to spend money on it; it's just there as a gift for the rest of time.

What we're really after is simply that people acquire a legal license for Windows for each computer they own before they move on to Linux or Sun Solaris or BSD or OS/2 or whatever.

We need to cooperate globally on epidemic preparedness and prevention in the same way we are cooperating globally to stop people from getting nuclear weapons.

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.