We also have a dog. His name's Beast. He's a sheepdog. He's super cute. I love him.

This is our commitment to users and the people who use our service, is that Facebook's a free service. It's free now. It will always be free. We make money through having advertisements and things like that.

People developed planes first and then took care of flight safety. If people were focused on safety first, no one would ever have built a plane.

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

If you live in an area where there is not a good school, the internet may be the best way to get access to a lot of education material. The same is true if there is not a good doctor - the internet may be the best way to get access to health.

When you give everyone a voice and give people power, the system usually ends up in a really good place. So, what we view our role as, is giving people that power.

There are social restrictions where someone could be suppressing someone else's freedom to express themselves.