Article Photos: 'Smart' potty or dumb idea? Wacky gadgets at CES 3/4

Industry affiliate Shogo Kimura tries on a pair of Necomimi Brainwave Cat Ears at the Consumer Electronics Show, Wednesday, Jan. 9, 2013, in Las Vegas. The headset is similar to a mood ring, but instead reads brainwaves to determine the user's emotional state. (AP Photo/Julie Jacobson)