I mean just look at haiku, the idea of it. We want to focus on that singularity, on that simplicity, but we still want to add features and add value, but we want to do it in a way that fits in with that mentality of simplicity. You have to spend a lot of time thinking about it.

At Twitter, mobile is in our DNA ... For us, it's all about mobile, and it always has been.

I knew Mac pretty well. I'd used them when I was younger.

People are watching TV, they're watching some clips on their iPhone. I mean, some folks are sitting there on the iPhone, watching the Colbert Report, and meanwhile there's a huge plasma TV right in front of them that they could be watching it on.

You have to have an emotional investment in what you're doing. If you don't love what you're doing, failure is pretty much guaranteed.

Have confidence in your ideas before they even exist.

In order to succeed spectacularly you have to be willing to fail spectacularly.