Self-destructing DVDs react with air

A bizarre new form of DVD digital rights management: DVDs impregnated with a dye that reacts with air to render the disc unplayable in eight hours. The disc is being distributed — in airtight packages — as a promotional item with a CD, containing a video about the band. However, the instant-landfill media doesn't contain any of the usual copy-restriction technology that prevents it from being copied to a PC before the dye eats it.

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