How to Choose a Coffee Machine For Pods Pod machines read the barcode on the top of each pod (which is a disc of pre-dosed, sealed ground coffee compressed between layers of filter paper). It is easy to insert it and then press a button. Put in an espresso pod, https://wwwcoffeeeuk23782.losblogos.com/27921522/the-most-hilarious-complaints-we-ve-seen-about-best-pod-coffee-machine