How to Choose a Coffee Machine For Pods Pod machines operate by reading the barcode at the top of the pod (which is actually an un-sealed disc of pre-dosed ground beans that are encased between two layers of filter paper). It is easy to insert it and push the button. https://www.34630194.xyz/0c5i8-d8o-1wmrp-x528f-6ob6k0n-2035/