No cash, no cards, no wallet, and no smartphones: China’s shoppers are increasingly purchasing goods with just a turn of their heads as the country embraces facial payment technology. China’s mobile payment infrastructure is one of the most advanced in the world, but the new systems — which require only face recognition — being rolled out nationwide could make even QR codes seem old-fashioned. Customers simply make a purchase by posing in front of point-of-sale (POS) machines equipped with cameras, after linking an image of their face to a digital payment system or bank account.