Created using Central American ... are several types of coffee pods out there — Keurig's K-Cup is another well-known brand — and Nespresso simply calls its version "capsules." ...

The cold brew is then condensed, using a proprietary process of vacuum distillation that can pack a double-shot’s worth of coffee into a recyclable capsule the size of a light bulb’s bottom.

with the average American drinking three cups a day. While coffee is prepared in a variety of ways, coffee capsules have risen in popularity since their invention some four decades ago.