Harvard University, and founder of the Centre for Digital Dignity, an international network of researchers, policy makers and civil society groups to collaboratively imagine and foster enabling spaces of political expression online. She has published widely on politics of artificial intelligence, online extreme speech, misinformation, critical digital studies, decoloniality, and Internet and AI policy. Udupa is the author of the UN commissioned research paper, "Digital technology and extreme speech: Approaches to tackle online hate” and the co-author of the award winning article, “Ethical Scaling: Extreme Speech and the (In)Significance of Artificial Intelligence". Her books include, WhatsApp in the World: Disinformaiton, Encryption and Extreme Speech (New York University Press); Digital Unsettling: Decoloniality and Dispossession in the Age of Social Media (New York University Press); Digital Hate: The Global Conjuncture of Extreme Speech (Indiana University Press); Handbook on Anthropology and Artificial Intelligence (Edward Elgar); Making News in Global India: Media, Publics, Politics (Cambridge University Press); and Media as Politics in South Asia (Routledge). Udupa is the recipient of Joan Shorenstein Fellowship at Harvard University, Francqui Chair (Belgium) and European Research Council grant awards. Most recently, she received the ERC consolidator grant (2M euros) for a multiyear study on contentious speech on small social media platforms. In 2024, she was inducted as a Fellow of the International Communication Association. Her forthcoming monograph, Divided by Machines: Extreme Speech, Deception and the Limits of Artificial Intelligence (New York University Press) is a critical ethnography of how divisive speech and AI intersect and influence political cultures globally.