Amazon's recommendation engine has become its coup de grâce, harvesting rich customer data from its ever-expanding ecosystem to power truly tailored customer experiences - the kind most brands dream about delivering. But what if marketers knew exactly where, when, and why Amazon invests in personalization across the customer journey? We broke out the lab coats and started digging into Amazon's various digital properties. A process involving first-person exploration, research spanned demographics, subscription levels, devices, channels, geography, and more. Using this book, discover the best elements of Amazon's recommendation engine, uncover gaps in the eCommerce giant's own implementations, and leverage our complete collection of use cases on your own strategic journey toward personalization success.