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

In fact, that's where my vision of the coming digital opportunity is somewhat different from other people's. I divide it into three parts. One is the office. That's the one I'm most excited about and is the most concrete.

The typical project design time for a large company like IBM - and they keep track of this - is a little over four years.

In 1990, one in 10 children died before the age of five. That's now down to one in 20, and vaccines were the single biggest factor in that. Had it stayed at 10 percent, 122 million more children would have died.

Netscape was able to get the government working on its behalf.

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

Security is, I would say, our top priority because for all the exciting things you will be able to do with computers - organizing your lives, staying in touch with people, being creative - if we don't solve these security problems, then people will hold back.