Another trick in software is to avoid rewriting the software by using a piece that's already been written, so called component approach which the latest term for this in the most advanced form is what's called Object Oriented Programming.

If GM had kept up with technology like the computer industry has, we would all be driving $25 cars that got 1,000 MPG.

In 80% of the world, energy will be bought where it is economic. You have to help the rest of the world get energy at a reasonable price.

Microsoft Research has a thing called the Sense Cam that, as you walk around, it's taking photos all the time. And the software will filter and find the ones that are interesting without having to think, 'Let's get out the camera and get that shot.' You just have that, and software helps you pick what you want.

It's pretty amazing to go from a world where computers were unheard of and very complex to where they're a tool of everyday life.

My parents are very successful, and I went to the nicest private school in the Seattle area. I was lucky. But I never had any trust funds of any kind, though my dad did pay my tuition at Harvard, which was quite expensive.

We're only at the beginning of what we have to do here.