This document discusses modernizing the marketing planning process. It describes common problems with traditional marketing planning such as budget allocation issues, lack of data measurement, and inflexibility. It then provides solutions to each problem, including taking a zero-based budgeting approach, implementing a marketing calendar for continuous planning, and increasing flexibility with agile marketing practices. The full eBook covers marketing planning stages and strategies to modernize plans for different industries. Overall, the document advocates using a marketing resource management system to solve traditional planning challenges and facilitate a more data-driven, collaborative approach.