Amazon is a known innovator in the e-marketing industry and developed proprietary software that enabled the company to offer product suggestions to customers based on their purchase history. For example, if an Amazon customer enjoyed reading fantasy books, such as the Harry Potter series, the computer algorithm would suggest other titles that consumers like them had purchased, such as Percy Jackson and the Olympians or The Hunger Games. However, some consumers are concerned about their because Amazon collects information from website visitors in their efforts to create long-term relationships and generate revenue.