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

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.

You can be a couple in London who happen to take pictures of their breakfasts every day - it's called @symmetrybreakfast - and you can gain hundreds of thousands of followers overnight because people are genuinely interested in your unique angle on the world.

Our goal is to not just be a photo-sharing app, but to be the way you share your life when you're on the go.

I’m always in awe of people who are artists in their fields – people who understand that simply by taking ideas and translating them into reality, they’ve created value in the world.

I think not focusing on money makes you sane, because in the long run it can probably drive you crazy.

I love challenging the notion that, in order to be a tech founder, you have to be holed up in a dark room wearing a T-shirt and baggy jeans.