Bitcoin is a technological tour de force

I have a company that is not Microsoft, called Corbis. Corbis is the operation that merged with Bettman Archives. It has nothing to do with Microsoft. It was intentionally done outside of Microsoft because Microsoft isn't interested.

Harnessing steam power required many innovations, as William Rosen chronicles in the book 'The Most Powerful Idea in the World.'

It's not easy to remember, but IBM was the computer industry when I was growing up. You loved 'em. You hated 'em. You knew what they were doing. They had set a standard for mainframes. They also set a standard for great sales focus and heavy product R & D.

You have the refugee crisis triggered by Syria. That's got a lot of costs associated with it. Domestically, budgets are incredibly tight because the economy's not generating the growth that makes for easy trade-offs.

If we think long term, the younger generation here is better about embracing the world. Not seeing countries boundaries kind of an "us versus them" thing.

You wish that you could move more rapidly and you have setbacks. You know, the AIDS epidemic was a huge setback for Africa, and it's only through generosity that we've avoided that just completely crippling an entire generation there.