Varying from the basics, light flavors and colors can be added to pasta with egg yolk, spinach, tomato paste, chocolate, and even squid ink. Each of these pastas creates its own unique dining experience when properly served.
Throughout most of history, most money has been commodity money, which is an item used for money that has intrinsic value. Gold, copper, and silver coins are common examples. One major problem with commodity money is that it's cumbersome to use for large purchases. Just think how many silver coins you may have to use to purchase a car or a house - you would literally need a treasure chest or more. Representative money solves this problem.
The development of commodity-based currency systems represents more of a blurring between barter systems and later currency systems than a revolutionary change. In a commodity system, the money used is not only a place-holder for purchasing power, but it is something that has an inherent value by itself.