> Whereas classic vending machine inventory systems requires an human person to track the re-fills or sales. Sorry? You order by the # of the item. This is r

> Whereas classic vending machine inventory systems requires an human person to track the re-fills or sales. Sorry? You order by the # of the item. This is recorded in NVRAM/sent to cloud nowadays. There is absolutely no need to involve any human being in the process of tracking sales.