Building a mission and building a business go hand in hand.

If you actually do something you love it's a lot easier and takes on a lot more purpose.

People will always want more immersive ways to express themselves. So if you go back ten years ago on the internet, most of what people shared and consumed was text. Now a lot of it is photos. I think, going forward, a lot of it is going to be videos, getting richer and richer.

In a lot of ways Berlin is a symbol for me of Facebook's mission: bringing people together, connecting people and breaking down boundaries.

I think a simple rule of business is, if you do the things that are easier first, then you can actually make a lot of progress.

I think that the tax situation needs to be worked out between the countries themselves.

There are many machines throughout history that were built to do something better than a human can.