Anything can be made for sale if there is enough demand and a limited supply. The law of supply and demand applies to everything regardless of whether or not it

Anything can be made for sale if there is enough demand and a limited supply. The law of supply and demand applies to everything regardless of whether or not it is for sale. If an item is not for sale it usually means there is either no supply, an unlimited supply, or no demand. See what happens when the supply of clean air is limited below: https://news.vice.com/article/beijings-air-is-so-bad-the-sale-of-fresh-canadian-mountain-air-is-soaring https://news.vice.com/article/beijings-air-is-so-bad-the-sal... >You remember, the item you claimed it's worthless? I do. What of it? There are people in this world who will pay nothing for that item because it is freely downloadable through piracy. To them, the item is worthless.