Wing-Kovarik has had his two boys, Chris and Shawn, since 2002, and he can't imagine sitting idle while there are so many other foster children who are still stuck in the system.
It's supposed to work only in idle time, but what it thinks of as idle time (when the hard disk isn't working) usually doesn't jibe with how you see idle time (when you're not using the PC at all).
It is a terrible shock for an enterprise director when his factory is idle because he doesn't have some input, and he finds that some ministry is not at once discussing his problem.
"What you could measure is the productivity of assets that are left idle for a day - the ship that doesn't get built and so on, " Prof Mayhew adds, with the caveat that the British economy is far less dependent on building things like ships than it was half a century ago.
Sinn Fein dismiss this as idle media chatter among bored journalists, and the theory that a politician from Northern Ireland can't win votes in the Irish Republic is branded "partitionist".