>Data encoded in the hand gestures of a person depicted in a video tape made
>available to the world.
This has been done. US military hostages and POWs have done this in the
past when being forced to give statements on behalf of their captors.
And I am sure US solders are not the only ones trained to do something
like this.
-chris
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Received on Sun Oct 14 2001 - 23:56:45 BST