How to Choose a Coffee Machine For Pods Pod machines operate by reading the barcode on the top of the pod (which is actually a disc of sealed, pre-dosed ground coffee that is pressed between two layers of filter paper). You just insert it and press a button. Put in https://wwwcoffeeeuk78863.bloginwi.com/62131126/10-tell-tale-symptoms-you-need-to-buy-a-best-pod-coffee-machine