"It's the economy, stupid."
The big firms in the technology market are all too busy making money out of old rope. They all have better products in the prototype phase, but don't introduce these things because we the public are still buying last years technology. After all, it costs a huge amount of money to retool manufacturing for truly new products, and there's no guarantee that it will sell.
I personally knew of super LCD display technologies in prototype back in the mid 90s, based on ferroelectric liquid crystals, that moved ten times faster than the present 'nematic' type of today. The reasons you don't see them for sale is that they cost about three times more to make the displays, and the companies are still selling the old technology at profit, so there's no economic incentive from their point of view to sell better stuff.
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