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OCR: DIGITAL MEDIA 467 How do Iknow if a CD is copy protected? Some distributors, such as Amazon. .com op their best to identify copy protected CDs in product descriptions. The existence of data session and l intentionally corrupted audio on copy protected CDs does not adhere to the Red Book standard for audio CDs, so the official CDDA logo is missing on the CD packaging. Most copy protected CDs also carry warnings that they might not function on some equipment such as car CD players How prevalent is CD copy protection? Copy protected CDs have become much less common since the 2005 Sony BMG rootkit incident. Several Sony BMG CDs were copy protected by software that t limited dupli- cation to three copies. The copy protection software was surreptitiously installed on consumers' computers and onc ...