> When I go to my pharmacy, the only reason why I need electricity there is to be able to pay with my watch No it's not. Things like fire safety systems, secu

> When I go to my pharmacy, the only reason why I need electricity there is to be able to pay with my watch No it's not. Things like fire safety systems, security systems etc all need electricity. And you can pay with your watch on a battery powered offline device anyway. The need is for everything else in the hyper-efficent supplychain.