The document summarizes several digital signage and interactive display projects implemented by Isobar Korea using their PRISM solution. The projects include an "Oxyclean 30th anniversary laundry-finished photo festival" that engaged over 55,000 participants, a "Tasaki jewelry brand" magic mirror display, an LG hologram showcase, and a data visualization platform for SK Planet. The case studies provide details on project objectives, interactive content, user scenarios, and results.