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Sen. Hatch: "If [a version of Facebook will always be free], how do you sustain a business model in which users don't pay for your service?" Mark Zuckerberg: "Senator, we run ads." - News247WorldPress
Sen. Hatch: "If [a version of Facebook will always be free], how do you sustain a business model in which users don't pay for your service?"Mark Zuckerberg: "Senator, we run…