The south is an enormous, sprawling region with shifting boundaries. (badatsports.com)
But technological advances and the ability to associate data across multiple sources is shifting boundaries of what is or is not PII, including potential re-identification of previously anonymized data. (sammantics.com)
[1] Craig Dykstra, «Reconceiving Practice,» in Shifting Boundaries: Contextual Approaches to the Structure of Theological Education, ed. (religion-online.org)