Microsoft chief Brad Smith warns that killer robots are 'unstoppable'

Microsoft chief Brad Smith issued a warning over the weekend that killer robots are'unstoppable' and a new digital Geneva Convention is required. Most sci-fi fans will think of Terminator when they hear of killer robots. In the classic film series, a rogue military AI called Skynet gained self-awareness after spreading to millions of servers around the world. Concluding that humans would attempt to shut it down, Skynet sought to exterminate all of mankind in the interest of self-preservation. While it was once just a popcorn flick, Terminator now offers a dire warning of what could be if precautions are not taken.