Have confidence in your ideas before they even exist.

Investors are employees you can never hire. We made sure to pick investors that thought like us.

The normal press cycle is to put a company on a pedestal and then knock it down. It's much more interesting that way.

I think Twitter has brought something totally new to the table.

I think before Twitter people didn't think that way, not in any sort of meaningful or specific way, so what I'm trying to say, if we're trying a bunch of stuff, a lot of cool and great social stuff, a lot of platform stuff, then some of it will stick, and some of it will be junked over. Some of it will be just like the cell phone, you can't imagine not having it.

The most rewarding thing for me has been this affirmation for me that people are basically good and smart, and if you give them a simple tool that allows them to exhibit that behavior, they'll prove it to you every single day.

Design is a career where you learn creative decision making.