How to Choose a Coffee Machine For Pods The pod machines read the barcode that is on the top of the pod (which is actually a disc of sealed, pre-dosed ground coffee that is pressed between two layers of filter paper). Simply insert it and then press the button. Inject https://coffeee93315.blogpixi.com/28595408/15-of-the-best-twitter-accounts-to-discover-more-about-pods-coffee-machine