The money is established as a medium in the middle of the Exchange. People need to use that money to help make easy money in trading over what Exchange objects in systems that use money as a medium, in Exchange, will help the Exchange System uniformity. Money is what motivates the items from the source to the consumer faster. Money makes people are spending their income on everyday life, such as learning, production, product, buying a home, buy tv, buy stuff. And make people keep their own money, build a business. This is not just money, but the paper money can do many things.