How to Choose a Coffee Machine For Pods The pod machines read the barcode at 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). It is easy to insert it and press a button. This https://coffeeeuk14716.blogscribble.com/28399175/don-t-buy-into-these-trends-about-pods-coffee-machine