Psychologist Ivan Pavlov conditioned dogs to salivate by ringing a bell, but maybe he should have made them play Simon instead. Thats the idea behind CleverPet, a device that plans to train your dog to solve simple problems while youre at work. When it begins, all the pooch has to do is push a button to get food, with subsequent puzzles growing in difficulty until its playing whack-a-mole with the light-up pads.