Obviously, being the CEO, there are a lot of eyes on what you do and what you post and how you post, and I think one of the challenges of Instagram in general is that, as we get bigger, there are just more voices in the room, more eyes on everyone's accounts.

The major reason why Instagram works is that you can follow anyone out there and start following their photos immediately.

If you've got an idea, start today. There's no better time than now to get going.

If you've got an idea, start today. There's no better time than now to get going. That doesn't mean quit your job and jump into your idea 100 percent from day one, but there's always small progress that can be made to start the movement.

I believe photos is one of the underlying things in every social network that becomes successful.

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?

Teens just understand the world in ways I don't think any of us adults do.