Mark Zuckerberg

Mark Elliot Zuckerberg is an American computer programmer and internet entrepreneur.

I used to think that the most important thing was having the greatest positive impact in the world that I can, now, I really just care about building something that my girls, when they grow up, can be proud of me for. I work on a lot of things, but when I go home, I ask myself, 'Will my girls be proud of what I did today?'.