now because it's not considered a violation of that pracy,t's considered my right to know who's calling me, otherwise why would i answer. so, yes, when you are an early leader like we are in technology there is always concern and you'll continue to be concerned. >> rose: you know why i have caller snid when i'm calling people i want them to know it's me calling rather than "unknown" because they're more likely to answer my call if they know it's me. >> rose: that's something caller i.d. is widely accepted. it was a privacy uproar at its time. >>ose: but tell mehere the boun reis are about privac that you think we ought to take note of at this moment because the privacy question most frequently comes back to facebook. >> here's the way i think about it. i think it's about control. people have things they want to share with maybe a single person or small group and they have things they want to share more broadly. and the real question for me is do people have the tools they need in order to make those decisions well? i think it's really important that facebook continuallyakes it easier an

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