The Technical Aspects workstream will make decisions regarding technology to be used in the DPLA and will advise development of the DPLA prototype. This work is well underway: efforts began in May 2011 with a meeting on Linked Open Data, followed by a Beta Sprint seeking public input on potential models, which drew more than 60 statements of interest. In June, technical workshop participants drafted a set of key principles for all DPLA technical development. The workstream will determine best practices for state of the art digitization of a wide range of materials. In cooperation with the Content and Scope workstream, it will identify collections to be digitized and will determine costs of doing so at scale. Questions to address include standards, interfaces, APIs, and other technical aspects of digitized content for public usage; and how to improve digital access to books, including eBooks, and other forms of content. Major issues include how best to create a generative DPLA that will provide for the creation of as-yet-unknown forms of use and access.