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If you're heading to the shops in one part of London - you can leave your wallet at home. Richmond is embracing technology which allows people to pay using an app on their mobile phone. Rags Martel reports.
For some time people have been talking about the end of cash or card - and the future for virtual payment. And while that's a way off, shops and bars in Richmond are the first in the country to adopt a system where you use your phone.
You can then pay by using an app alone. Rob Harper from Paypal explains how it works.