I think anyone who expects to still be using the same plasma they have now, 30 years from now, is going to be severely disappointed. First, the ratings are based on testing of the display itself; the other circuitry may or may not last that long. Second, the most significant determiner of the longevity of a product, these days, is the duration of its technical relevance. Once tru2way comes out, older displays will, of course, be lacking something that newer displays have. And every few years I suspect we'll see something like that added, at least for the next ten years or so. By the end of that time, so much will have changed that most people will look at their current displays with dissatisfaction.
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