Sony's Clever but Flawed PlayStation Copy Protection--And How They Might Have Fixed It
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DVD+R and DVD-R; What was that about?
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Holey Plugs, Batman! But... what are they for?
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Spyro Had One of the Coolest Anti-Piracy Measures Ever | Tech Rules
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How the Sony Playstation 2 Security Was Defeated | MVG
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DVD: The Death Knell of Laserdisc
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What exactly is the goop inside a lava lamp?
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Betamovie: Sony's Terrible (But Ingenious) Camcorder
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