Smartphone users expect the presentation of Web sites on their mobile browsers to look and feel like native applications. With the pressure on library Web developers to produce app-like mobile sites, there is often a rush to get a site up without considering the importance of reusing or even restructuring the data driving the Web sites. An additional challenge is the content maintenance required of any Web site, regardless of platform, underscoring the advantage of pulling content from other systems to decrease redundancy. This article highlights case studies from two large research universities, examines how each one is streamlining its data for multiple Web-based platforms, and discusses how to work toward making data more flexible so content is delivered from single source points rather than duplicated on individual delivery platforms. (Contains 2 figures.)