An ECG (electrocardiogram)
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How to pay for goods in a heartbeat

Technology is changing the way people pay for goods and services - in addition to cash or credit cards it is now possible to use your veins or heartbeat for financial transactions.

BBC Click's Jen Copestake visits MasterCard's innovation labs in Dublin to find out how they are integrating payment and security technology into wearable devices.

More at BBC.com/Click and @BBCClick.

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