Dr Stephen Smith's keynote talk at the Alternate Realties Summit showcased New Dimensions in Testimony; ground-breaking natural language software that allows audiences to have a "virtual encounter" with the recorded image of Holocaust survivor, Pinchas Gutter, who responds in real time, powered by complex algorithms providing realistic conversation. Dr Smith discussed how he and his team compile the complex audio and visual data for this project, which will transform storytelling and archives of the future.