Re: It's obvious.
"Alternatively, they can call it Kopi Luwak. The most expensive coffee in the world. Made by letting luwaks (palm civets) eat kopi (coffee) cherries then extracting the beans from their droppings."
Somebody gave me 100g of it once. I have to say it is excellent coffee. But nobody could call J2EE type applications rare or, usually, of superlative quality.