Since about 1980, people have gotten more sophisticated about coffee in the United States. However, I'm not a gourmet.

I buy a popular national brand of ground coffee, "Folger's Classic Roast." Gourmets buy coffee in the form of roasted beans and grind them just before brewing, but I don't. If you were go into a little convenience store that only had a few kinds of coffee, Folger's Classic Roast is one they would probably have; Maxwell House is another.

These kinds of coffee are blends. The manufacturers change the composition and sources, but their tasters are able choose kinds and blend them to have a consistent taste. The blend is a secret. Folger's Classic Roast is, likely, a mixture of Brazilian and Colombian coffee. 

Colombian coffee growers have been very successful in promoting Colombian coffee. Many national brands will offer a "regular" blend and a "100% Colombian" blend. With the rise in interest in gourmet coffee, supermarkets will carry packages labeled as "Guatemalan" or "Sumatran" or "Ethiopian." I am very sorry to say that I have never seen anything labeled as "Brazilian coffee."

In the last ten years, a company called Keurig has been very successful at marketing a home coffee system that brews one cup at a time, using little "K-cups." These are sealed plastic cups, with about 10 grams of ground coffee in each cup. The system makes fairly good coffee. It is a disaster, both in terms of cost and environmentally. A box of twelve K-cups (i.e. about 120 grams) costs around $8, about the same as a plastic tub of 800 grams. And you end up throwing out twelve little plastic cups that can't be recycled.