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.
Example of commodity Money Commodity Money that are used as mediums of exchange embrace gold, silver, copper, salt, peppercorns, tea, giant stones, embellished belts, shells, alcohol, cigarettes, cannabis, candy, nails, cocoa beans, cowries and barley. this stuff were generally employed in a metric of perceived worth in conjunction to at least one another, in numerous trade goods valuation or value system economies.