Mark Zuckerberg quotes and aphorisms about know 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 Mark Zuckerberg Mark Zuckerberg ,, 2018 is an incredibly important election year, not just with the important midterms here in the U.S... Mark Zuckerberg Mark Zuckerberg ,, Back, you know, a few generations ago, people didn't have a way to share information and express th...