The company [Microsoft] really has to chart a direction in mobile devices. Because if you're going to be mobile-first, cloud-first you really do need to have a sense of what you're doing in mobile devices. I had put the company on a path. The board as I was leaving took the company on a path by buying Nokia, they kind of went ahead with that after I told them I was going to go. The company, between me and the board, had taken that sort of view. Satya, he's certainly changed that. He needs to have a clear path forward. But I'm sure he'll get there.

I think the biggest mistake most people make when they pick their first job is they don't worry enough about whether they'll love the work, and they worry more about whether it's good experience

I think it would be absolutely reckless and irresponsible for anyone to try and break up Microsoft.

I love the fact that Satya Nadella's checked the checkbox for cross-platform for a number of our services. I still think it's very important to do the right kind of innovative integration across Windows and our hardware platforms with our cloud services. I think the company's doing a lot of good stuff. Real competition in AWS. Real competition in terms of the clients, particularly from a hardware perspective, there's also [competition] from Chrome. But all in all pretty good.

My children - in many dimensions they're as poorly behaved as many other children, but at least on this dimension I've got my kids brainwashed: You don't use Google, and you don't use an iPod.

I didn't leave business school to go bankrupt.

I think there are lots of opportunities to improve the product. When you read the press, people say, "Oh, the product needs improvement." I look at that and say, "Hey, that's an exciting thing to get behind!" Because they can improve that product. That leaves more upside from an innovation and revenue potential than you're gonna find in a lot of places. So you could say that's a downside, I see that as an opportunity.