Keurig has brewed up a new kind of coffee pod: First look at the plastic-free Alta brewing system

The history of in-home coffee making is a story in and of itself. Over the past century, home coffee brewing has evolved from simmering pots and boiled water to percolators and, in the 1970s, the automatic drip machine, which became a fixture of modern kitchens. But then the industry saw another shake-up with the introduction of single-serve coffee, which hit the mainstream when Keurig introduced its single-cup brewing system and K-Cups in 1998. Keurig and its machines have since become ub...