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What Exactly is Blu-ray? Blu-ray, also known
as Blu-ray Disc (BD) is the name of a next-generation optical
disc format. The format was developed to enable recording,
rewriting and playback of high-definition video (HD), as well as
storing large amounts of data. The format offers more than five
times the storage capacity of traditional DVDs and can hold up
to 25GB on a single-layer disc and 50GB on a dual-layer disc.
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