How to Choose a Coffee Machine For Pods The pod machines read the barcode at the top of the pod (which is actually an un-sealed disc of pre-dosed ground coffee compressed between two layers of filter paper). You just insert it and push the button. Inject an espresso pod and https://wwwcoffeeeuk78863.bloginwi.com/62150816/a-trip-back-in-time-how-people-talked-about-pods-coffee-machine-20-years-ago