Asimov's ZZ-1, ZZ-2, and ZZ-3 now have a companion! Can we call it ZZ-4?
Hmm, water ice that is stable at a higher temperature than liquid water? Can anyone say ice-9?
I use Crossloop.com. It is free and easy for your friends to install. And hey, if you want to bill your family, you can do that through the service!
We need laws and treaties against allowing autonomous robots use lethal force. If we don't put a stop to it now, it will escalate until we have something like the Terminator. This can and will become much worse than nuclear proliferation. The world should get together and sign treaties now.
Be careful when a loop exits to the same place from side and bottom.