Affiliate Marketing for Beginners - What you Need to Know to Succeed The invention of money happened courtesy of man’s need to sell things. Indeed, sales were the driving point behind this landmark breakthrough in human civilization. It started with the barter system of exchanging goods for goods, but not every man produced goods, yet every man did desire them. This led to the invention and the propagation of the concept of money. Check out our blog https://www.sprintzeal.com/blog/affiliate-marketing