There was a time when communications were mostly harmless. If you wanted to hurt somebody, the worst would be to insult them. Not so any more. Now, the global communications industry is the carrier of a lot more than words. It is becoming the proxy battlefield of choice, a warfare deployment network of staggering proportions. Want to inflict damage on a faraway target? Do not build an aircraft carrier, just recruit a team of hackers. The grim USP of neutron bombs is said to be that they kill people...