Over the last few years, thousands of Swedes have had a biometric microchip implanted into their hands so they do not have to carry keycards, IDs or even train tickets.
It is another step in the move towards a completely cashless society which we have probably been heading towards since Frank McNamara, of Diners Club fame, introduced the first credit card back in 1950. Then again, US archaeologist Jonathan Mark Kenoyer says ancient civilisations in the Indus Valley used clay tablets in much the same way as credit cards over 5000 years ago.
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