Everyone gets lucky for some amount in their life. And the question is, are you alert enough to know you're being lucky or you're becoming lucky?

With Instagram, the focus is on the present tense.

I promise you, a lot of it is luck. But you make your own luck by working really hard and trying lots and lots of things.

We just want to build a company that focuses on the love of Instagram.

I was never as focused in math, science, computer science, etcetera, as the people who were best at it. I wanted to create amazing screensavers that did beautiful visualizations of music. It's like, "Oh, I have to learn computer science to do that."

People interact with their phones very differently than they do with their PCs and I think that when you design from the ground up with mobile in mind, you create a very different product than going the other way.

I grew up as a photo nut. Every Christmas I would get a new camera. It's a huge part of my life.