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As retailers encourage us to use biometric data for shopping, what is the likely impact? Cathy McCabe is a retail analyst for Proximity Insight, and tells us chain stores have to compete to survive in the race to optimise the shopping experience. Technology commentator Stephanie Hare considers the possible pitfalls of a reported move by online retailer Amazon to use a wave of the hand to speed up checkout. And Steffi Noel, researcher for Daxue Market based in Shanghai explains how much more advanced biometric technology is in China compared to the West. Also in the programme, more details have emerged in Nigeria of an FBI investigation there into online scammers exploiting people around the world. The BBC's Olakunle Arthur Falayi was at a joint press conference between the FBI and Nigerian police in Lagos. Plus we catch up with Stefano Domenicali, chief executive of luxury carmaker Lamborghini, to hear about his company's new hybrid supercar. (Picture: A finger on a fingerprint sensor. Picture credit: Getty Images.)
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