The document provides guidance on best practices for using data in marketing campaigns. It emphasizes that a continuous cycle of data planning, analysis, management, delivery and reporting should drive the campaign process. Marketers need to ask questions about current data, data collection tools, integrating different data sources, adhering to legislation, and developing an overall data strategy. Building a data strategy involves researching the market, educating stakeholders, enhancing existing data, and exploiting data to its full potential.