Multilevel Marketing commonly called - MLM, Network Marketing or direct sales is one of the highest potential income sources anywhere, but particularly on the Internet. It has been claimed that in the last 10 years more people have become millionaires through MLM's than in any other business or profession.I don't know how true that is, but I do know a lot of people have made a lot of money through MLM's.Multilevel Marketing is also known as Pyramid Schemes and a number of other less-than-complim.