Hungry Household Robots
They're here to help. You know, dust, pick up after you, that sort of thing.
Oh, and they can also eliminate vermin...by eating the pests. The video says it all:
I'm not usually one for robots-gone-mad scenarios, but doesn't the idea of a robot designed to seek out and eat living things in your house sound like a recipe for disaster?
(h/t: Mike Dougherty)