"A child born today will grow up with no conception of privacy at all," Edward Snowden warned Wednesday in a message broadcast to U.K. television viewers. "They'll never know what it means to have a private moment to themselves, an unrecorded, unanalyzed thought," said Snowden, famous for leaking documents from the U.S. National Security Agency that reveal just how much of what we say, write and do is already recorded and analyzed.