I think we have to face the reality that in a society where there is a legitimate threat of terrorism not being able to see one's face not being able to have some sense of communication in that way is for many societies a challenge.
But behavior in the human being is sometimes a defense a way of concealing motives and thoughts as language can be a way of hiding your thoughts and preventing communication.
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The Internet is the most important single development in the history of human communication since the invention of call waiting.
