For many years, nonprofit organizations have used direct mail as a primary tool for raising funds and generating new donors. And along with direct mail, other channels including telemarketing, print ads, television and now the Internet have successfully provided a venue for nonprofits. Each of these channels, however, has its limitations. Among the challenges that nonprofits contend with are rising postal rates, dwindling list universes and higher printing costs. With lists, print and telemarketing, falling response rates have been a perennial problem. One of the most intriguing media channels that recently has received attention from all sectors is insert media. What