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  EvanAnderson
  Spoilers:The trick was pretty easy to guess but still a lot of fun to see put into practice. The EGA monitor bits, and more broadly just the idea of trading color bit depth to multiplex signals for multiple monitors into a single framebuffer and physical output is pretty cool. The Windows display driver idea actually implemented on real hardware would be tons of fun. I could have seen products actually doing this "back in the day" to do multi-head setups. I'm kinda surprised examples don't exist.
• forinti
  I started seeing LED displays on store fronts in the late 80s (the ones that scroll text horizontally).This would have been quite the product then. TVs were expensive, but B&W TVs not so much.
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  econ
  Could you accomplish something similar with just colored foil? Like, red foil makes red and white look the same.
• dagni132
  [flagged]