This document provides an overview of pyramid schemes and multi-level marketing (MLM). It notes that in a product-based pyramid scheme, 99.88% of participants never make any money due to the mathematical structure. The key differences between an MLM and fraudulent pyramid scheme are recruitment practices, marketed products, pricing, inventory loading, and inventory repurchasing policies. The document then gives a brief history of MLM, noting that Nutrilite Vitamin company created the MLM concept in 1945 and Amway was later formed in 1959 and purchased Nutrilite in 1972.