This document discusses using demographic data to improve segmentation and targeting in direct marketing. It provides examples showing that males and certain age groups tend to be more valuable donors. Specifically, males on average give 46% higher gifts and are 50% more valuable donors. Donors ages 45-54 generate the highest revenue per donor of all age groups. The document recommends testing gender and age-based segmentation, list selection, and messaging to acquire and upgrade more valuable male and certain age range donors.