How to Choose a Coffee Machine For Pods The pod machines read the barcode on the top of the pod (which is actually a disc of sealed, pre-dosed ground beans that are encased between two layers of filter paper). You simply insert it and then press a button. This machine https://wwwcoffeeeuk56394.blogs-service.com/59462475/the-best-advice-you-ll-ever-receive-about-pods-coffee-machine