I don't think of Twitter as a social network. I think of it as a messaging system that has a lot of social components to it.

I got an idea: people like news why don't we write the news down on a piece of paper, and we'll gas them up and drive them to everyone's house. I mean, if you were going to say that now, it doesn't sound like a great idea, because there are other ways you can distribute the news.

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.

I'd dropped out of college to start design thing.

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.

This idea that the open exchange of information can have a positive global impact is being proven over and over again around the world nearly on a daily basis - and for Secretary Clinton to recognize that, I think, is a huge step.

Twitter provides a great amount of timely information, but we still need those people to fill out the rest of the story and the context.