"[R]etirement providers leveraging a blend of high-speed digital print and a multi-channel, multi-touch strategy can generate between 10 percent and 20 percent in annual cost savings, plus double-digit returns from participation rate increases and adoption of managed account services. Plus, retirement providers are seeing benefits from their efforts to streamline communication materials -- moving away from comprehensive enrollment 'kits' to bite-size pieces that lead to easy-to-use enrollment 'apps.' "