For full list of scientific publications, see Google Scholar page or resume. Moral Machine The Face Game Machine Culture AI-Powered ethics AI-mediated communication Consumer Psychology & AI Machine Behavior Human-Machine Cooperation AI & The future of work Using Social Media to Measure Culture Deepmoji: Human emotion from text MyGoodness Society-in-the-loop Perception of AI Art The evolution of artificial intelligence Collective Intelligence Societal impact of climate change Human detection of machine manipulated media Evolution of the social contract Measuring cooperation at scale Crowdsourcing a Manhunt DARPA Red Balloon Challenge DARPA Shredder Challenge Emotions & Influence in Social Networks Cognitive Limits of Social Networks Promoting Cooperation Mass-Scale Argumentation Judgment aggregation in argumentation Computational models of argumentation & negotiation