“…Although they can be tightly controlled-such as a closed content-management system that functions as an internal knowledge base for an organization-they can also be opened, becoming community sites to which a much broader array of users can contribute. Professional communicators have taken advantage of these capabilities, generating community sites with various scopes and missions (Grabill, 2003;Harrison & Zappen, 2003;Spinuzzi, 2007a;Spinuzzi, Bowie, Rogers, & Li, 2003;Zappen, Adali, & Harrison, 2006;Zappen, Harrison, & Watson, 2008). Instructors are using contentmanagement systems, not just for running Web sites but also for developing complex case simulations (Fisher, 2007).…”