We call them calculators these days, but the original idea came from the abacus. Just imagine, if you can, an instant abacus.

[As for magic setting people back? Eh. Akira wobbles a hand as if to say maybe, maybe not.]

Technology has gotten to the point where it's both a help and a hindrance. We've got the means to talk to people all over the world at the press of a button, but knowing what everyone's up to all the time? Knowing all the bad that's happening all over the world? It's depressing.