Money is the most common means of measuring wealth. The value of a product or material used as the basis for a monetary system depends on how much others are willing to trade or provide labor in exchange for it. Another factor is the degree of universal acceptance the material or commodity has. If no one outside a community is willing to accept the money in exchange for goods or services, it has no value outside of the society that uses it.
^ Shashank SHEKHAR (2009-06-29). "Online Marketing System: Affiliate marketing". Feed Archived from the original on 2011-05-15. Retrieved 2011-04-20. During November 1994, CDNOW released its BuyWeb program. With this program CDNOW was the first non-adult website to launch the concept of an affiliate or associate program with its idea of click-through purchasing.