If people are passionate about your product, whether it's because they're hating or loving it, those are both good scenarios.

You can shut down a service, and yet people will find ways to communicate.

You curate information that you want to receive. It's a lot different because I'm not asking you if it's okay, I'm just saying I'm following your updates. That's why I don't think of Twitter as a social network.

People first. Technology second.

Creativity is a renewable resource. Challenge yourself every day. Be as creative as you like, as often as you want, because you can never run out. Experience and curiosity drive us to make unexpected, offbeat connections. It is these nonlinear steps that often lead to the greatest work.

It's important to credit the brave people that take chances to stand up to regimes. They're the star.

We can break news really fast. When an earthquake happens, there are people Twittering about it.