The document presents a lecture by Dr. Tracey P. Lauriault on critical data studies and the development of open smart cities, discussing theoretical frameworks, methodologies, and case studies related to data assemblages and the socio-technological transformation of urban spaces. It covers themes such as the impact of data on governance, urban understanding, and the complexities of homelessness data collection and analysis across Canadian and U.S. cities. The lecture emphasizes the relationships between data, infrastructure, and urban policy, advocating for a critical approach to understanding the role of data in smart city initiatives.