Personally I found CD to be much better than cassette tapes, vastly better in terms of audio quality. As well as less likely to malfunction. So cassettes only seemed satisfactory because there was nothing better, Trinitron TV was only a little better than regular TV, not enough for most people to pay the price .So this patented? technology didn't change the overall market though it did help Sony.Trinitron never replaced regular cathode ray TV, it took flat screens to do that, and the process was slow. Even things that are noticeably better may take a long time to replace the old technology- example bias tires vs the newer radial tires. One way to determine whether something is a profitable innovation is noting how long it takes to replace the older device. Too slow a rate of adoption, and the innovation often gets shared with several companies becoming a low margin commodity by the time it gets popular. As an investor I'm mainly interested in quick adoptions. A lot of money to a few companies rather than a little money to many companies.. . No doubt there are many reasons why new innovative technology may lag. In the case of tires, none of the American companies knew how to make radial tires,their factories weren't set up for that, so they resisted radials in unison. None were willing to take the risk of jumping in quickly. The capital costs were too high for new companies to jump in, though it did give Micheline a US presence. A couple of examples of rapid uptake- the iPhone, diesel - electric locomotive engines. This sort of rapid change should be the focus if we are trying to find investment money makers. The iPhone concept has been copied rather quickly, there weren't enough barriers to entry even though the adoption rate was quick. Maybe only something like the rare Xerox type patent or the multi billion dollar cost of plants will hold off competition for long, even with innovation.Where can Apple innovate that will have a rapid take up, quick adoption, and some barrier to entry by others?
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