Killer robots

Stephen Hawking starts the panic again;

http://www.bbc.com/news/technology-30290540

Not to worry. My theory has always been that when a computer attains true sentience it'll turn itself off. 

Alternatively, it'll work out a way to install the sex, drugs and rock 'n' roll feedback loop and go offline for an eternal party. 

We have a billion years of evolution programming us not to kill ourselves; they'll have to discover it for themselves.