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 sealed disc pre-dosed ground coffee that is pressed between two layers of filter paper). You just insert it and push a button. This machine https://www-coffeee-uk93426.xzblogs.com/69787982/15-twitter-accounts-you-should-follow-to-discover-more-about-pods-coffee-machine