"Didn’t think so. Not many have. And that’s the way the zaibatsus want it." Nightwalker breathed deeply for a few moments, as if accommodating his wounded body’s demand for more oxygen. "You need a history lesson. "Way back, in the nineteen-eighties, I think it was— maybe the nineties ... or the seventies; I’m not slick on ancient history—the world started swinging over to fiber optics for communication. Before then, everything was transmitted by radio or by electrons flowing through copper wires. Barbaric," he pronounced, "and risky. If you broadcast something, anyone can pick it up, maybe break your code and know what you’re sending. If you put it through wires, people can read the data flow by induction. You scan?"