Sony pushed vigorously for the Blu-ray standard, not just because it is a patent holder of the technology, but also because it has integrated the standard into PlayStation 3.
Sony has argued that consumers will gravitate to the PlayStation 3 because of the high-definition movie player.
Any celebration over the victory may be tempered by concerns that the DVD, of any format, may be doomed by electronic delivery of movies over the Internet.
The longer HD DVD battled Blu-ray, the more the market has had an opportunity to gravitate to downloading movies. Such a move, coupled with the growth of technology that makes downloading easier, has threatened to cut into the sales of DVD movies.
But Doherty, like Parsons, argued that downloads are not yet affecting the DVD market and would not do so for some time.
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