Mark Zuckerberg quotes and aphorisms Mark Zuckerberg Mark Zuckerberg ,, Really, who you are is defined by the people who you know - not even the people that you know, but ... Mark Zuckerberg Mark Zuckerberg ,, There is a huge need and a huge opportunity to get everyone in the world connected, to give everyon... Mark Zuckerberg Mark Zuckerberg Mark Zuckerberg Mark Zuckerberg Mark Zuckerberg Mark Zuckerberg