Explore a 19-minute conference talk from SIGIR 2024 that delves into counterfactual ranking evaluation using flexible click models. Learn about the latest research in CTR, ads, and click models as presented by authors Alexander Buchholz, Ben London, Giuseppe Di Benedetto, Jan Malte Lichtenberg, Yannik Stein, and Thorsten Joachims. Gain insights into innovative approaches for evaluating ranking systems and understanding user behavior in online advertising and information retrieval contexts.