The biggest mistake we see companies make when they first hit Twitter is to think about it as a channel to push out information.

I think Microsoft will have to change. I think that the business of Microsoft, the company of Microsoft, is going to continue to succeed. But I think the business model of Microsoft is going to have to change.

Obscurity is a far greater threat to authors and creative artists than piracy.

Obscurity is a bigger problem for authors than piracy.

Data is the next Intel Inside.

You have to pay attention to money, but it shouldn't be about the money.

I think that Microsoft will increasingly feel margin pressure from Linux as well as people saying: well actually the applications that really matter to me are not on my PC. And so they're going to be able to extract less of a monopoly rent, so to speak.