Attune enables their customers to improve their business performance by automatically optimizing the discovery of items in their product or media catalogs for each visitor. By reading, evaluating and responding in real-time to information about visitors and catalog items, they improve the discovery of the items each visitor is most likely to want, every time. Attune integrates the widest variety of customer data to achieve superior merchandising performance. Ongoing AB tests are used to provide the most transparent ROI measurement possible, so customers only pay for real results.