"Hollywood is considering whether the technology, developed by a New Jersey company, could help reduce video piracy, which the major studios contend is costing them more than $3 billion in worldwide revenue.
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The secret code imprinted on a movie would not stop film pirates from spreading their grainy counterfeits on the Internet, but it would reveal the identity of the last legitimate user to industry sleuths.
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The developers claim their method will improve on existing techniques to create such a code, known as a "watermark" after printing, that can only be seen under certain conditions."