One of the key advantages of producing documentation using DITA is that it allows authors to reuse content in a variety of ways. Content reuse presents its own unique challenges, though. This case study details how salesforce.com's Product Documentation team has addressed these challenges to create an authoring and publication process that allows for maximum reusability. This presentation discusses how the salesforce.com Product Documentation team authors content for maximum reusability, what methods we use to "conditionalize" content to produce documentation for similar, yet slightly different products, how we share information between different documents, and how we use ant,  the DITA Open Toolkit, and  in-house customizations to output our content into different formats that customers want.