1. Impacts of the TikTok Ban
This project investigates user behavior on and around TikTok during its temporary U.S. ban, examining shifts in platform usage and changes in content creation and engagement before, during, and after the event
2. Mapping Social Media News
This study explores Americans' news consumption on social media, analyzing the roles of traditional versus influencer media, and how platform use correlates with demographic and political variables
3. How Toxic and Non-Toxic Users Engage in Social Media Consumption
This project examines how toxic versus non-toxic online behaviors correlate with user personality traits and engagement patterns, aiming to identify ways to design more constructive digital interactions
4. How are General Purpose AI Systems being used?
This study investigates how general-purpose AI systems like ChatGPT are actually used in the real world, examining temporal, geographic, and thematic trends in usage to better align AI development and safety evaluations with real-world needs
5. Privacy Sandstorm
This study evaluates Google’s Topics API by comparing its claimed privacy protections with real-world user data, aiming to identify potential privacy risks and assess the uniqueness and stability of user profiles over time
6. AI Mediated News Consumption
The project investigates how users seek news through AI-driven tools like ChatGPT and Google AI Overviews, aiming to understand media linking, user interaction, and demographic trends in AI-mediated information access
7. Exposure Map 2024
This study assesses how exposure to online content—categorized by credibility, political leaning, geography, and AI-generation—varies across demographic groups, with the goal of understanding disparities in information consumption
8. LLM Search Elasticity
This project analyzes how the rise of large language models (LLMs) like ChatGPT is influencing user behavior around traditional search engines, focusing on search category shifts and demographic adoption patterns
9. Downstream LLM Usage
The study examines behavioral changes following exposure to AI-generated content in search results and chatbots, including patterns of information consumption and their broader societal implications