How to Choose a Coffee Machine For Pods Pod machines scan the barcode on the top of each pod (which is an undosed disc of sealed ground coffee, pressed between layers of filter paper). It is easy to insert it and push a button. Pop in an espresso pod and https://www-coffeee-uk00639.blogoxo.com/28442724/the-worst-advice-we-ve-been-given-about-best-pod-coffee-machine