The document discusses how the Christian publishing industry has changed dramatically over the past 20 years as consumer choices and behaviors have fragmented. It highlights the need for publishers to develop micro-market sales and marketing strategies tailored to different consumer segments based on insights into who buys products, where they shop, why they purchase, how much they spend and how frequently they shop. The document analyzes consumer panel data on Christian book buyers to provide examples of insights around generational differences, gender gaps, income levels, retail preferences and purchase motivations that could inform targeted strategies.