CNN New Day December 13, 2013 11:50:00
Dan joins us now with more. i'm sure it was quite a conversation, dan. >> reporter: good morning, michaela. we're in the heart of silicon valley and that impressive looking structure behind me is a blimp hanger here at a research facility where nasa does a lot of work. this is where they held that star-studded event. we talked to mark zuckerberg about that. you'll hear about that in a moment. we asked him about the big news in silicon valley, that the letter that he and other tech executives sent to the president and congress about the way the nsa conducts surveillance. >> one of the things i'...
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