Asimov wrote "a robot may not injure a human being, or through inactivity allow a human being to come to harm," but some of our robotic war machines are already challenging that. As a counterpoint, let's take a look at the lovable bots that were created to help care for us.
When you meet your robot overlord, it may be wearing solar-powered, super-sensitive, chemical-sampling intelligent skin that makes your meatbag covering look pathetic.