As long as there has been photographic and video imagery, there have been manipulated videos and photos. But only in the last decade or so have the public become aware of what are known as “deepfakes”, computer or AI generated fake images, often of celebrities. The spread of deepfake imagery raises questions about truth and authenticity online – can we still trust what we see on screen? To discuss deepfakes, and the idea of trust and authenticity in the digital sphere more broadly, the Phelan US Centre spoke to Dr Gili Vidan, Assistant Professor of Information Science at Cornell University’s Ann S. Bowers College of Computing and Information Science. This episode was produced by Chris Gilson and Avan Fata. Further reading and resources • Robert Chesney & Danielle K. Citron, Deep Fakes: A Looming Challenge for Privacy, Democracy, and National Security,107 California Law Review 1753 (2019). • Habgood-Coote, Joshua (2023). Deepfakes and the epistemic apocalypse. Synthese 201 (3):1-23. Take the Ballpark Listener survey and enter the prize draw for £250 in vouchers! The Ballpark will be ten years old in 2026, and we want to hear from you to make the podcast even better, so we’re running a listener survey until 1 November 2025. • Fill in our listener survey – it only takes 15 minutes – here: https://forms.office.com/e/Vcj8V8uGM1 • Voucher prize draw terms and conditions are available here: https://www.lse.ac.uk/united-states/the-ballpark/ballpark-listener-survey-prize-terms-conditions-2025