I consider Apple to be very closed. Let's say you have a book business, and you are charging 5 to 7 percent gross margins; you can't exist in an Apple world because they want 30 percent, and they don't care that you only have 7 percent to play with.

We tend to think of Steam as tools for content developers and tools for producers. We're just always thinking: how do we want to make content developers' lives better and users' lives a lot better? With Big Picture Mode, we're trying to answer the question: 'How can we maximize a content developers' investment?'

The PC is successful because we're all benefiting from the competition with each other. If Twitter comes along, our games benefit. If Nvidia makes better graphics technology, all the games are going to shine. If we come out with a better game, people are going to buy more PCs.

I remember back in the early days of Microsoft that from the day that you decided that you were just going to put out an ad to a customer - and all you were usually able to tell them was that a new product was available - it was about nine months before you could actually reach the first customer.

I think it's highly likely that we'll continue to have high-performance graphics capability in living rooms. I'm not sure we're all going to put down our game controllers and pick up touch screens - which is a reasonable view, I'm just not sure I buy into it.

Most people who end up being successful have good grades, but it's orthogonal - there's no extra information than if they put together a website and have bunch of fans who love coming and seeing what they're doing.

We started off with a set of objectives for what we needed to communicate with the company's identity, created several proposals intended to meet those objectives, and picked the one that did the best job.