Many will remember the Bernie Madoff investment scandal that was revealed to be a Ponzi scheme in 2008. Amazingly, investors needed at least $20 million to invest in the scheme, which shows how easily influenced people can be by these schemes. Scandals relating to such Ponzi Schemes and Pyramid schemes quite intriguing.This infographic by Eamonn Freeman explains how they both work and identifies the key differentiators between the two.