Next step in the evolution of payment modes?
A vending machine company based in the US, has already begun work on this step.
They will have a microchip similar to a contactless credit card inserted between their thumb and fore finger.
https://twitter.com/RT_com/status/887390270052065282
These volunteers will then be able to bypass login requirements to purchase their lunch.
Eventually, this technology will become standardized allowing you to use this as your passport.
Source:RT
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source: www.techworm.net