his research paper introduces a novel statistical framework for conducting causal inference using video features as treatments, a significant advancement for analyzing high-dimensional, unstructured data. To overcome the challenges of latent and dynamic confounding, the authors utilize deep generative artificial intelligence to extract low-dimensional internal representations that serve as summaries of video content. They propose a consistent and asymptotically normal estimator based on a longitudinal neural network architecture, allowing for the identification of potential-outcome trajectories under dynamic stochastic interventions. The methodology is empirically validated through a Super Mario Bros.™ benchmark with known ground-truth effects and an application to 2020 U.S. presidential campaign advertisements. Their findings demonstrate that increasing the appearance of a candidate in a video segment directly correlates with higher viewer evaluations, providing a robust tool for future social science research.