In poor countries, we still need better ways to measure the effectiveness of the many government workers providing health services. They are the crucial link bringing tools such as vaccines and education to the people who need them most. How well trained are they? Are they showing up to work?

The AIDS is a disease that is hard to talk about.

People think about this idea that there's 122 million kids that are alive that would not be if that fatality rate had stayed at the 1990 level, that's 122 million families.

The truth of Moore's law has made remarkable things possible. On the software side, I think natural user interfaces in all their forms are equally significant.

Software is more important than hardware.

Most people overestimate what they can do in one year and underestimate what they can do in ten years.

Software was the key element that would determine how useable and how broadly applicable the machine was.