[TheRealPomax]

And in the process designed a keyboard that is probably a little worse than apple's execution on this ergonomic nightmare. The challenge in this space was to make a real keyboard - sure, that'd involve overcoming the "how do we get the wires from the board through the switch to the keycap", starting with off the shelf switches and caps (because it's okay to not offer people the choice to replace their own keys when you make something like this) because as you say, it would be way harder (and far more costly) to make individual keys be self-contained e-ink units.