How do earth-sheltered homes comply? I’ve seen a few, and they have no windows in most of the rooms, including bedrooms. And there’s a few who’ve taken to living in caves, old mines, and decommissioned missile silos. There must be an exception to this code.

I don’t know how much your electric rate is, but a router or server that sucks down a hundred watts 24 hours a day may be a concern. An arcade machine would be my choice.

You mean like the way sweeping swiping figures out the words? And what do you do when trying to type out a password? Does it revert to a normal keyboard or function like T9 keyboard with multiple presses to select the right character?