This document discusses how great products can fail due to poor advertisements. It provides examples of products like Ziploc veggie bags, Tata Indicom True Paid, Pepsi Crystal Pepsi, Apple Lisa, and Ford Edsel that failed because advertisements did not properly target audiences, generate awareness, or persuade people to buy the products. The document also explains how poor advertisements can contribute to product failure by failing to attract people, provide awareness of the product, encourage purchase, and build consumer faith.