I used to use my OLPC xo-1 this way. It was a dream. E-ink screens can make dark mode irrelevant. But the market for them hasn't been built, and the tech isn't

I used to use my OLPC xo-1 this way. It was a dream. E-ink screens can make dark mode irrelevant. But the market for them hasn't been built, and the tech isn't effective at fast refresh. Yet.