work Digital Platforms Platform Governance and Interventions to Limit Online Harms Online Safety Identifying misleading information and designing technology to support the public auditing of online information Causal Inference Estimating causal effects from observational and interventional data Digital Health Developing Conversational AI Platforms for Maternal Health Literacy Recommender Systems Building multimodal content distribution algorithms and testing their robustness to adversarial actors Journalism + AI Building Audience Analytics and Civic Integrity tools for Media Orgs. fun Simulating Social Networks Predicting how information spreads online Graph Neural Networks Exploring graph-based deep learning AI/ML Education Communities to improve education and research Probabilistic Programming Building probabilistic models of information spread online Machine Learning x Particle Physics Building better machine learning tools for physics