How to Choose a Coffee Machine For Pods Pod machines read the barcode located on the top of each pod (which is an undosed disc of sealed ground coffee compressed between layers of filter paper). Simply insert it and press a button. Put in an espresso pod and the machine https://www-coffeee-uk40617.blogstival.com/50827380/pods-coffee-machine-the-process-isn-t-as-hard-as-you-think