There's already technology to shade a window, presumably with LCD. I'm sure people would pay for the privilege of being able to control how tinted their windows

There's already technology to shade a window, presumably with LCD. I'm sure people would pay for the privilege of being able to control how tinted their windows are. https://www.vision-systems.fr/solutions/solar-protection/ https://www.vision-systems.fr/solutions/solar-protection/