There's an art to being a performer whose face will never be seen. "In 2019, two multimedia artists, Francesca Panetta and Halsey Burgund set about to pursue a provocative idea. Deepfake video and audio had been advancing in parallel but had yet to be integrated into a complete experience. Could they do it in a way that demonstrated the technology's full potential while educating people about how it could be abused?" Karen Hao explores the strange new world of deepfake acting.