Coffee is one of the most popular beverages in the world. According to the National Coffee Association (NCA), 58% of American consumers surveyed for its 2011 “National Coffee Drinking Trends” report said they had drunk coffee the previous day. It is available in numerous traditional and gourmet varieties and blends and in many forms, including whole beans, ground, instant, and ready-to-drink beverages. It is also available for in-home brewing in a variety of packages, including single-serving pa…