We are always fascinated when someone can take something and extend it in a clever way without changing the original thing. In the computer world, that’s old hat. New computers improve, but can usually run old software. In the real world, the addition of stereo to phonograph records and color to photography come to mind.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/03/21/the-long-strange-trip-to-us-color-tv/