When computer scientists talk about the possible threat to humanity from superintelligent AI, they don't mean the Terminator or Matrix.

CNN: Is AI a threat to humanity?

In the AI optimist camp, futurist and Google director of engineering Ray Kurzweil also sees intelligent machines precipitating human extinction, of a sort, only in Kurzweil's telling, humanity is not exterminated but subsumed into a superintelligent machine.

CNN: Is AI a threat to humanity?