And you thought the prospect of SkyNet and the Terminator were scary? There are some very real technologies that could, in the future, be used to enslave us all. From computer interfaces that could remotely control humans from across the world, to drones that can kill from across the world, these ten technologies have to be carefully watched and controlled in order to avoid some pretty horrific results. As with all technology, it won't be the tech that kills, however. It will be the humans who misuse it.