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

I think that's a really important role that people sometimes forget about, especially with all these newspaper shutting down and having trouble, where are all these stories going to go? I think you have something really great with all those stories waiting to be told, but I just don't know how it shapes up exactly. I don't think there are going to be a lot of newspaper reporters sitting around not writing.

In any leadership position, you're always going to be disappointing somebody.

Positive culture comes from being mindful, and respecting your coworkers, and being empathetic.

If you make the opportunity. you'll be the first in the position to take advantage of it.

I haven't been paying attention to politics long enough to have really smart opinions.

When a plane lands in the Hudson and there's a Twitter user on the ferry taking a picture of it, Boom. That's it. The water is still splashing. Here's the photo of the thing.