This document provides guidance on developing a successful digital marketing strategy. It discusses the importance of having a defined strategy and plan, rather than just using tactics, in order to avoid problems and optimize efforts. The document outlines 10 reasons why a digital strategy is needed and recommends focusing the strategy, understanding the digital ecosystem, defining goals and audiences, and integrating digital and offline channels. It provides a framework for developing a strategy including understanding the digital landscape, setting objectives, identifying target audiences, developing propositions, and optimizing over time. The key is to view digital as a critical marketing channel and focus strategic efforts.