Maintaining a consistent platform also helps improve product support - a significant problem in the software industry.

Great organizations demand a high level of commitment by the people involved. Eliminate politics, by giving everybody the same message. Keep a flat organization in which all issues are discussed openly. Empower teams to do their own things.

Security is, I would say, our top priority because for all the exciting things you will be able to do with computers - organizing your lives, staying in touch with people, being creative - if we don't solve these security problems, then people will hold back.

Whenever you have a few setbacks, the idea that half as many children are dying now as back in 1990 and so... it was over 12 million a year, now it's less than 6 million a year. We have a clear path to get that under 3 million a year and we know what to do. And this generation of young Africans is a very large group.

I think of myself as a global citizen.

The CEO's role in raising a company's corporate IQ is to establish an atmosphere that promotes knowledge sharing and collaboration.

My son likes to go see mines and electric plants, or the Large Hadron Collider, and we've had a chance to see a lot of interesting stuff.