How to Choose a Coffee Machine For Pods Pod machines read the barcode that is located on the top of each pod (which is a disc of pre-dosed, sealed ground coffee that is pressed between layers of filter paper). It is easy to insert it and push the button. This https://coffeee41931.blogdanica.com/28244009/the-most-hilarious-complaints-we-ve-seen-about-best-pod-coffee-machine