Your good question about how NSA knows who got what phone is way above my pay grade to speculate about.
Was the order placed with particular people as the destination.
Thinking obama phones — phones for the congressional phone store (located in basement of congress used by both parties)
Your good question about how NSA knows who got what phone is way above my pay grade to speculate about.
Probably have a record of who got what. If not, voice prints have been used for decades.
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Voice prints - of course. That makes a lot of sense too, if this is indeed the situation with the pictures of the flats being flats of phones/laptops, etc.