In the world of retail, every business must now market across both digital and physical channels. It doesn’t matter if you have a brick-and-mortar store, an e-commerce website or both. Cross-channel marketing is essential to success. The latest Sailthru Retail Personalization Index examines what it takes to succeed at cross-channel marketing. And it ranks the 100 retailers who are best at that game. Keep reading to find out what Sailthru measured. And see what you can learn from the top 10 retailers on the list.