“I don’t think anyone realizes how quickly artificial intelligence is advancing. Particularly if [the machine is] involved in recursive self-improvement . . . and its utility function is something that’s detrimental to humanity, then it will have a very bad effect,” said Musk.
“If its [function] is just something like getting rid of e-mail spam and it determines the best way of getting rid of spam is getting rid of humans . . . ” Musk trailed off, as the crowd laughed....
http://www.zengardner.com/artificial-intelligence-wipe-humanty-elon-musk/