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		Doctorow: Scribd introduces copyright filter (boingboing.net)
		11 points by kf on Dec 8, 2007 \| hide \| past \| favorite \| 1 comment

asciilifeform on Dec 9, 2007 [–]

ROT-13. When that fails, XOR with a key posted in the text. Effective automated censorship is NP-complete.

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