The greatest lesson that I learned in all of this is that you have to start. Start now, start here, and start small. Keep it Simple.

Everyone has an idea, but it's really about executing the idea and attracting other people to help you with the idea.

Constraints inspire us in how we approach the press, how we approach business relationships, how we do everything.

Don't avoid eye contact and don't be late

Amazing what people make up based on what they choose to see.

I think Twitter is the future of communications and Square will be the payment network.

Twitter is the world.