I've had yerba mate, I prefer coffee. Yerba mate grows and is widely available in Argentina. In some South American countries, "coca mate" or coca tea (tea fro

I've had yerba mate, I prefer coffee. Yerba mate grows and is widely available in Argentina. In some South American countries, "coca mate" or coca tea (tea from the plant from which cocaine is made) is available. I'm thinking that would be a much more interesting, hip productivity drink.