"@Margatron: ah, finally found a good reference for this info: [www.film-to-video.com]
"1) On a mass produced DVD Video, there are tiny pits and smooth areas - the pits reflect the laser light away from the read sensor to mean "0", and the smooth areas reflect the light on to the sensor to mean "1"."
"I hope in their court proceedings, RealNetworks brings up the fact that burned DVDs and CDs only have a guaranteed shelf-life of 5 years.
And although I haven't been able to find a reliable source on the shelf-life of professionally glass-pressed DVDs, I'm betting it's in the range of 5-20 years."
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