The document discusses cross-media and multi-channel marketing strategies. It defines cross-media marketing as connecting different mediums, like adding a URL to direct mail, to track responses across channels. Multi-channel marketing uses two or more channels simultaneously, like direct mail, email, and social media, to increase campaign effectiveness. The document provides examples of using different technologies like QR codes and personalized URLs to connect offline and online channels and gather customer data. It also presents case studies of colleges that saw increased engagement and fundraising results from cross-media campaigns integrating direct mail, email, and web landing pages.