Even before I helped to co-found Microsoft, I saw a connected future . . . I called that future The Wired World.

I am very excited to be supporting one of the world's most visionary efforts to seek basic answers to some of the fundamental question about our universe and what other civilisations may exist elsewhere.

The best museums and museum exhibits about science or technology give you the feeling that, hey, this is interesting, but maybe I could do something here, too.

In global warming, I think everyone is scratching their heads - are there technological things that can be brought to bear that can make a difference?

For the most part, the best opportunities now lie where your competitors have yet to establish themselves, not where they're already entrenched. Microsoft is struggling to adapt to that new reality.

I think it's going to be great if people can buy a ticket to fly up and see black sky and the stars. I'd like to do it myself-but probably after it has flown a serious number of times first!

With documentary-film projects, you hope you highlight an area of concern people haven't thought about before. A lot of times, I'm asking myself - 'This seems to be a significant problem. What can be done that hasn't been done?