Simson Garfinkel might obsess over whether the Roomba robotic vacuum cleaner is a boy or a girl, but at the end of the day all you really care about is whether it keeps your floors clean, right? And in an interview in BusinessWeek, the CEO of iRobot, Colin Angle makes it abundantly clear that Sony and Honda can keep their Aibos, Qrios, and Asimos — iRobot is only interested in building "practical" robots and are working on a whole range of robots designed to do household chores. Though as far as we can tell they're still a distressingly long way away from coming out with a robot that can take our Aibo for a walk.