The next major advance came in 1982, when Sims put metal edges on his snowboard so it could be used in a wider variety of snow conditions. He went on to improve and expand the sport over the years, introducing new snowboarding styles, bindings and designs.
Commodity money is a form of money with an intrinsic value. Some of the best examples of commodity money are silver and gold coins. Currency(cash) or banknotes do not have intrinsic value and are virtually worthless in itself. It only has value because society views it as a unit of exchange. This type of currency is called fiat money.
The word commodity came into use in English in the 15th century, from the French commodite, commoditÃ©, amenity. Convenience going further, back The french word derives from The latin, commoditas meaning, suitability, convenience. advantageetroleum and copper are other examples of such commodities, their supply and demand being a part of one universal market. Items such as stereo systems, on the other hand, have many aspects of product differentiation, such as the brand, the user interface and the perceived quality.