Conclusion

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To conclude, it is true that since the 70s has developed new technologies to save a video, over time we have seen the evolution of those formats, and its influence on some media where films of the last century were sold until today, but so far very few see the influence of an industry which is considered a "taboo" obviously the porn industry.

One of the major industries worldwide that generates too much incomes, because this battle is generated in this sector which format to use. It is true the VHS and Betamax and cumplierais useful cycle, now is the HD-DVD and BLUE-RAY, due to technological breakthroughs, technologies have been developed to record giving as full HD or 4K result. In my opinion this battle has won the Blue-ray which is the best quality sound and video features when we talk about formats. However, we musnt see the other side of the coin, in the future perhaps not too distant these formats may disappear, and thanks to technology, mobile devices, tablets or computers are able to reproduce superior qualities over Blue-ray, even it has become clear that not only the entertainment industry, also the adult industry is betting on virtual reality which has more than one in shock.