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

I think there certainly was a milestone in the '90s with regards to the Internet achieving critical mass. There were several magical factors that came together: the creation of HTML by Tim Berners-Lee, the drop in the price of communications, and all the PCs out there that you could put this software into.

We need to get a broader awareness. People say climate change is really bad, but painting that picture of what you're putting at risk.

The US really has to get out in front. We are the biggest per person, by a substantial amount, greenhouse emitters, and we give the most foreign aid, not per person but in absolute.

The trick generally is to break programs into pieces and have those pieces be individually testable and so then when you move on to the other pieces you treat it as a black box knowing that it either works or doesn't work.

There are GMO skeptics more in Europe maybe than in other places, but not exclusively.

Giving money effectively is almost as hard as earning it in the first place.