What is the difference between Blu-ray and DVD?

What is the difference between Blu-ray and DVD

What is the difference between Blu-ray and DVD? Although they have been on the market for quite some time, many people haven’t heard about Blu-ray discs while others don’t know the difference between them and ordinary DVDs. They are identical in size and shape and their differences lie in functionally, such as laser technology, player …

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