While we're all very dependent on technology, it doesn't always work.

We all have the chance to create a world where extreme poverty is the exception rather than the rule.

The PC has improved the world in just about every area you can think of. Amazing developments in communications, collaboration and efficiencies. New kinds of entertainment and social media. Access to information and the ability to give a voice people who would never have been heard.

I'm truly saddened to learn of Steve Jobs' death. The world rarely sees someone who has had the profound impact Steve has had, the effects of which will be felt for many generations to come. For those of us lucky enough to get to work with him, it's been an insanely great honor. I will miss Steve immensely.

I think that our progress on key diseases over the next several decades is going to be pretty amazing and so I am very interested in that.

In my view, investing in public libraries is an investment in the nation's future.

I would counsel people to go to college, because it's one of the best times in your life in terms of who you meet and develop a broad set of intellectual skills.