
„Understanding who you serve is always a very important problem, and it only gets harder the more people that you serve. We try to pay a lot of attention to this by a combination of very rigorous quantitative and qualitative feedback. But if you’re serving 1.2 billion people, it’s very hard.“
— Mark Zuckerberg American internet entrepreneur 1984
nytimes.com http://bits.blogs.nytimes.com/2014/04/16/can-facebook-innovate-a-conversation-with-mark-zuckerberg/?_php=true&_type=blogs&_r=0