Now cut that hungry human's arm and legs, and it can at best only shout for food and wait for another human to 'plug' it in. On the other hand, a Rhoomba can s

Now cut that hungry human's arm and legs, and it can at best only shout for food and wait for another human to 'plug' it in. On the other hand, a Rhoomba can seek out power to stay alive, probably better than a 2 year old.