Now you can buy with a NOD: Alibaba reveals virtual reality shopping system

Alibaba's finance arm has shown demonstrated a payment service that will allow virtual reality shoppers to pay for things in future just by nodding their heads.
VR Pay, the new payment system, is part of Alibaba's efforts to capitalise on the latest technology in online shopping. 
In 2015, for example, it introduced a facial recognition technology for Alipay mobile payments service advertised as 'pay with a selfie'.
HOW IT WILL WORK  User identity can be verified on VR Pay via account logins on connected devices or via voice print technology that recognises each person's unique voice. 
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