A survey of 168 corporate wiki users was conducted. Findings indicate that corporate wikis appear to be sustainable. Users stated three main types of benefits from corporate wikis: enhanced reputation, work made easier, and helping the organization to improve its processes. These benefits were seen as more likely when the wiki was used for tasks requiring novel solutions and the information posted was from credible sources. Users acknowledged making a variety of contributions, which suggests that they could be categorized as “synthesizers” and “adders”. Synthesizers’ frequency of contribution was affected more by their impact on other wiki users, while adders’ contribution frequency was affected more by being able to accomplish their immediate work. Categories and Subject Descriptors H.5.3 [Group and Organization Interfaces]: Asynchronous interaction, Collaborative computing, Computer-supported cooperative work, Organizational design, Synchronous interaction, Theory and mo...