7 min read · Jun 10th · Like IP addresses, FLoC IDs will not be entirely static. However, it is likely that the same FLoC IDs or range of IDs will be associated with someone.
Google’s automated cookieless ad targeting method — or Federated Learning of Cohorts — is supposed to protect privacy by providing people with a greater degree of anonymity than the third-party cookie offered. Instead, it may make it quicker and easier for advertising companies to identify and access information about people online.
Advertising companies are already strategically gathering FLoC IDs and linking them to identifiable data or analyzing them in an attempt to uncover information about people that may not have been known before, mimicking how they have parsed what third-party cookies told them about people’s behaviors.