Jetpacks, flying cars and OLED displays - they're all technologies that we've been promised for years but we've never seen.  Or to be more accurate, we've seen them but we've never had a chance to buy them.  OLEDs  have been shown off for the last four Consumer Electronics Shows at the least and they've been impractical all the while.  They're tiny and unreasonably expensive, which makes OLED sets interesting as a novelty but not as much more.

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