Battery swapping may seem like a common sense idea, but the technology in batteries isn't there that we can have a small enough batter package that can be robust enough to be swapped.
If your text-to-speech program can read the text, your text-to-text program can copy the text to somewhere else.
Ah yes! What if someone connected a voice recognition program to that!
"The fundamental principle of science, the definition almost, is this: the sole test of the validity of any idea is experiment." -- Richard P. Feynman