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 coffee compressed between two layers of filter paper). It is easy to insert it and push a button. Put in an espresso https://coffeeeuk57346.ja-blog.com/28383083/20-things-you-need-to-be-educated-about-pods-coffee-machine