This document discusses how data-driven fundraising and marketing can maximize results. It emphasizes creating a single supporter view by connecting offline and online supporter data, including social media profiles. Connecting these dots allows for more consistent, personalized communication across channels. Case studies show how combining data sources helped identify supporters, convert petition signers to donors, and send targeted birthday messages. Analyzing transaction data through RFM segmentation was recommended to improve customer lifetime value for a photo company client. The key is using data to better understand supporters and improve engagement at each stage of the supporter journey.