This document discusses digital attribution and its importance for marketing. It begins with an overview of what digital attribution is, which is assigning credit across multiple touchpoints throughout the booking process. It then discusses why attribution matters, as knowing which marketing channels are most effective helps companies scale new customers. The document provides examples of how the online and offline customer journey is complex, with customers interacting across devices and channels. It argues that implementing call tracking across digital media provides more clarity about what is driving bookings and allows companies to make better marketing investment decisions. The overall goal is to develop practical solutions to increase clarity across all marketing channels.