When I was in my 40s, Microsoft was my primary activity.

If there was an epidemic, that definitely would make people accept vaccines. I wouldn't hope for that, of course, but if you wanted people to love vaccines, an epidemic would remind them how magical they are.

Even when I wrote Basic myself the day before I burned it into a computer I wasn't making design changes. I didn't have a testing team. I did all the testing myself. And there was no project methodology or schedule that, there was the notion of coming to a close means testing a lot at the end and making very few changes.

I love nuclear. It does this radiation thing that's tricky. But they're good solutions. You know, it was interesting; recently, in Connecticut this natural gas plant blew up 11 guys. It just blew them up.

[Africa] is the one continent where you still have a lot more young people than old people. So making sure they're healthy, good nutrition, good education. That'll be important for the world.

The typical project design time for a large company like IBM - and they keep track of this - is a little over four years.

Learning from mistakes and constantly improving products is a key in all successful companies.