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Blu-ray Disc Association Adds New Copy Protection Features In a move to protect against illegal copying and large scale piracy while leaving consumers the flexibility to manage and enjoy copies of their legally purchased content, the Blu-ray Disc Association (BDA) has adopted the most comprehensive content management system ever employed on an optical disc format. The Blu-ray Disc content management system includes three primary components: Advanced Access Content System (AACS), "BD+", a Blu-ray specific enhancement for content protection renewability, and "ROM Mark", a measure unique to Blu-ray Disc to guard against mass production piracy or the mass duplication and sale of unauthorized copies of pre-recorded media.
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