We are indebted to many people for helpful feedback, including seminar participants at the Economics of AI Colloque (Collège de France), ETH, NUS, University of Rome Tor Vergata, Marketing Science Conference, VQMS. Special thanks to Nicolás Ajzenman, Elliott Ash, Manuela Collis, Chuck Eesley, Henry Farrell, Thomas Fujiwara, Sid George, Lorenz Goette, Mor Namaan, Brendan Nyhan, Jesse Shapiro, Joachim Voth, David Yanagizawa-Drott, and Noam Yuchtman for detailed comments and suggestions, and to Alessandro Izzo, David Schwartsman, Ren Jie Teh, and Nicolás Valle for outstanding research assistance. All remaining errors are our own. Durante and Sen acknowledge financial support from the European Union’s Horizon research and innovation program [Grant 101125953] and from the Andrew Carnegie Fellows Program, respectively. This study was pre-registered in the AEA RCT Registry (ID: AEARCTR-0015359). The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.