How to Choose a Coffee Machine For Pods The 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). You simply insert it and push the button. Inject an espresso pod, and this https://coffeee-uk42782.azzablog.com/28439378/10-facts-about-best-pod-coffee-machine-that-will-instantly-put-you-in-an-optimistic-mood