This document discusses the past, present, and future of B2B marketing. In the past, marketing focused on growing the number of channels to reach customers. Now, technology allows companies to ingest and manage large amounts of customer data from various channels. In the future, B2B marketing will focus on using data and technology to provide granular personalization that benefits both customers and companies through higher margins and lower acquisition costs. The document advocates for visualizing B2B marketing within a single unified framework.