Whitney Christopher writes: “As concerns about data privacy continue to grow and become increasingly difficult to navigate, libraries play an important role in helping patrons make informed decisions. A key challenge is ensuring patrons understand what happens to their data when they access third-party vendor websites, particularly in cases where tracking and data collection are not immediately visible. An ongoing project within Cornell University Library examines vendor privacy policies alongside the data collected by vendor platforms. The goal is to better align what vendors say in their policies with what their websites actually do, while also improving transparency for patrons.”