How to Choose a Coffee Machine For Pods Pod machines operate by reading the barcode at the top of the pod (which is actually a sealed disc pre-dosed ground coffee that is pressed between two layers of filter paper). Simply insert it and then press a button. Inject an espresso https://coffeee-uk12402.digiblogbox.com/53811390/10-wrong-answers-to-common-pods-coffee-machine-questions-do-you-know-the-right-ones