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641

Centuries: 6th century - 7th century - 8th century

Decades: 590s 600s 610s 620s 630s - 640s - 650s 660s 670s 680s 690s

Years: 636 637 638 639 640 - 641 - 642 643 644 645 646


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Digital Rights Management

... early example of a DRM system is the Content Scrambling System (CSS) employed by the DVD Consortium[?] on movie DVD disks. The data on the DVD is encrypted so that ...

 
 
 
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