This document provides examples of win-back campaigns from various companies to reactivate inactive subscribers. It discusses targeting lapsed purchasers and undeliverable opt-ins. The examples encourage subscribers to reengage through incentives, emphasizing benefits, and setting deadlines. Alternative communication channels like direct mail, SMS, and on-site banners are also suggested to reach undeliverable subscribers. The document stresses understanding the target audience and desired response, as well as learning more about inactives through surveys to improve win-back programs.