Japan's latest robot is a puppy that sniffs out stinky feet

Impeccable hygiene also extends to the home, where people are expected to take off their shoes upon entering. Naturally, the tech-savvy nation has come up with a number of modern applications for funky-smelling folk. There's an app that tells you if your armpits kick. And soon, you'll even be able to buy a robotic puppy that smells your feet. The sniffer dog with an odor sensor for a nose is hardly subtle.