Smart locks and wireless 'air charging'

Welcome to Las Vegas, where the neon lights are bright, but the tech booths are somehow brighter. This year at CES, you couldn't toss a microchip without hitting a company promising to revolutionize the world with AI. Forget the casinos; the real jackpots were being hit on the showroom floor. We look at the highlights and see how Chinese tech companies are placing their bets this year. On the show: Niu Honglin, Steve & Yushun