This is incredible. "I simply type in binary.... I can do about 30 wpm when I'm on a roll, so to speak."

Yeah, running Linux and having SSH are a massive plus for me too. I can use them as substitute Wacom tablets for basic drawing (design diagrams, sketches on calls etc) and check https://github.com/reHackable/awesome-reMarkable every so often to see what cool new things I can do with them. :)