My broad sense of this is that authors like Smil really paint the clear picture, and once you see that, it's kind of Oh, of course. That's such a primal thing to all these physical services that we take for granted.

Windows 95 was a nice milestone.

I believe innovation is the most powerful force for change in the world. People who are pessimistic about the future tend to extrapolate from the present in a straight line. But innovation fundamentally shifts the trajectory of development.

Like any well designed software product, Windows is designed, developed and tested as an integrated whole.

Bioterrorism is like earthquakes, you should think in order of magnitudes. If you can kill 10 people that's a one, 100 people that's a two... Bioterrorism is the thing that can give you not just sixes, but sevens, eights and nines.

When you want to do your homework, fill out your tax return, or see all the choices for a trip you want to take, you need a full-size screen.

There are ecosystems like coral reefs [at risk] through ocean acidification. Those are valuable things that we should protect.