How to Choose a Coffee Machine For Pods The pod machines read the barcode at the top of the pod (which is actually a sealed disc pre-dosed ground beans that are encased between two layers of filter paper). Simply insert it into the machine and push a button. This machine https://wwwcoffeeeuk36618.prublogger.com/27955083/10-things-everyone-has-to-say-about-pods-coffee-machine