Pod Coffee Makers Pod coffee machines use capsules that are already designed to brew espresso or coffee. They don't require grinding or measure the beans, which makes them easy to use. When a capsule is placed, a needle inside is inserted into the lid, allowing water to flow into grounds. https://wwwcoffeeeuk83610.blogsumer.com/27994715/10-reasons-why-people-hate-capsule-coffee-machine-capsule-coffee-machine