How to Choose a Coffee Machine For Pods The pod machines read the barcode on the top of each pod (which is a disc of pre-dosed, sealed ground coffee that is pressed between layers of filter paper). Simply insert it into the machine and press a button. Pop in an https://wwwcoffeeeuk36618.prublogger.com/27955083/10-things-everyone-has-to-say-about-pods-coffee-machine