An invention has to make sense in the world it finishes in, not in the world it started.

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

Apple is in a position they've been in a lot of times before. They're like Moses showing the way to the promised land, but they don't actually go there.

The nice thing about twitter is the architecture of visibility. Email is invisible unless you reach out to someone directly. With Twitter, anyone can follow you and this is one of the big changes that was really introduced by Flickr, was this wonderful idea that you can follow somebody without their permission. Recognizing that relationships are asymmetrical, unlike facebook where we have to acknowledge each other otherwise we can’t see each other.

Being too early is indistinguishable from being wrong.

Architecture trumps licensing any time.

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.