This document discusses predictive lifecycle marketing strategies for ecommerce companies. It begins by introducing the challenges of keeping newly acquired customers and leveraging predictive data across platforms. It then provides details on Windsor Circle, a company that helps clients with these challenges. The rest of the document discusses weaving acquisition and retention strategies together, getting started with predictive marketing, and how to take an omnichannel approach by leveraging customer data across multiple platforms like retargeting, lookalike audiences, and direct mail. The overall goal is to lower customer acquisition costs, find high-value customers, understand customers' full buying lifecycles, and create brand evangelists.