As advances continue to be made in the area of high density data storage devices, the storage of such data as music (as is presently stored on audio CD-ROM's), books on tape, videos, movies and the like will become more common. However, when this type of information is stored digitally, the risk of data...http://www.google.fr/patents/US6598164?utm_source=gb-gplus-shareBrevet US6598164 - Device and method for reducing piracy of digitized information
Device and method for reducing piracy of digitized information
