How to Choose a Coffee Machine For Pods The pod machines read the barcode on the top of the pod (which is actually an un-sealed disc of pre-dosed ground coffee that is pressed between two layers of filter paper). It is easy to insert it and press a button. This https://www-coffeee-uk97900.blogthisbiz.com/34339995/nine-things-that-your-parent-teach-you-about-best-pod-coffee-machine