Speaking of Optimus Maximus and reconfigurable keyboards,

Art Lebedev actually produced 2 different keyboard.

- The Maximus, which is a rather big keyboard - with slightly over sized keys - where each single key is a an individual OLED mini screen.

- The Popularis which is a much more compact / laptop like and which is basically a keyboard overlaid over a flat pannel display (thus much cheaper to produce than the Maximus). This also makes possible to use reasonably sized keys, and to have the whole space bar reconfigurable.

@chenliangchen :
Thank you for the news update.