Cindy Kaiying Lin is a Postdoctoral Fellow at the Cornell Atkinson Center for Sustainability, affiliated with the Department of Information Science. She is also a Digital Life Initiative Visiting Fellow at Cornell Tech. In Fall 2022, she will be an assistant professor at Pennsylvania State University’s College of Information Sciences and Technology. At present, Cindy is working on a book project that examines ground truth within the history of machine learning as a shifting political and scientific category. This book asks how ground truth and its claim to accuracy and evidentiality have shaped and been shaped by transnational exchanges of mapping, surveying, and computing expertise between Southeast Asia and the United States.