This document summarizes a presentation about using digital collections from the University of Iowa Libraries, Special Collections and Archives to engage the public. It notes there are over 100 collections and 750,000 images, sounds and videos available online. It then lists some example collections that cover topics like the Civil War, Henry Wallace papers, historic land maps, political cartoons, and recordings. The document discusses partnering with other campus departments and contributions from off-campus organizations. It introduces the concept of "citizen science" and how a small percentage of users contribute to the majority of work, like transcriptions. It provides an example of transcription statistics and concludes by inviting questions.