Some promising news from the DVD standards front…
The electronics industry is in a fine mess, with two blue-laser disc standards (Blu-ray and HD-DVD) competing to succeed ordinary red-laser DVDs.
However, two top Warner engineers, Alan Bell and Lewis Ostrover, have been working on a cheaper and more elegant solution.
Blu-ray uses a 405-nanometre wavelength laser to read data from tracks 0.1-millimetres-deep on the top surface of a disc. HD-DVD, on the other hand, uses the same wavelength to read recordings at a depth of 0.6 mm.
Warner
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The regional thingy is the exact same reason why when you buy an X-box in the US, it won’t work in Tunisia unless you “crack” it (and that might not work)… It is in order to restrict some products to some regions/countries. It’s totally stupid of course because as you’ve said, you paid for it, and heck, you should be able to use it anywhere you please… It’s just more market segmentation and another way to screw the customer..