The Great Persian Firewall
BY ART KELLER In the days of the Cold War, the free flow of information into the Warsaw Pact countries was blocked by a literal "iron curtain" of steel fences and mines. Now, the control of electrons -- not border crossings -- has become crucial to keeping your populace in the dark, a lesson the repressive regime of Iran, long fearful of the potential of the Internet, appears to have learned well. Still, al ...
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