Jan 08
15
From DRM to digital watermarks
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The music industry is likely to replace the copy protection (DRM) with digital watermarks.
Recently the worlds 4 main record companies have all started selling digital music without Digital Rights Management (DRM). Amazon’s MP3 service is the first company out offering MP3’s from all 4. But even though the DRM is gone it doesn’t mean the companies are opening the doors for unlimited copying.
That being said, there’s no real copy protection any more. But if you share your newly bought MP3 in a file sharing network (P2P) it’s not unlikely that the file can be tracked back to the initial buyer through a hidden number placed in a digital watermark inside the file.
According to Wired, none of them has taken it to this level yet. Sony only uses “anonymous” watermarks that only gives some information about the “spread”. Warner and EMI have not yet implemented watermarks. Attorney Fred Von Lohmann at Electronic Frontier Foundation says to Wired that anonymous watermarks may be used to filter content by the ISP’s, given the record industry gets their way.


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