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Audio Watermarks Could Pinpoint Film Pirates By Seat 336

Slatterz points out a brief mention at PC Authority of a story at Torrent freak about using watermarking embedded in movies' soundtracks to reveal the exact location of camera-wielding bootleggers in a theater; the inventors (here's an abstract of their paper) claim it's accurate to within 44 centimeters.

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C'est magnifique, mais ce n'est pas l'Informatique. -- Bosquet [on seeing the IBM 4341]