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I am concerned w/IAB Tech Lab's presentation of Global Privacy Platform as a solution to the Belgian DPA ruling. Perhaps it will evolve, but as it stands GPP merely extends TCF as a signaling framework that does nothing to address the main concerns. adexchanger.com/data-driven-thinking/taking-two-concrete-steps-toward-privacy-controls-and-compliance-with-the-global-privacy-and-accountability-platforms/
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The core problems with TCF were its complex signal was itself a fingerprinting vector & that a signaling framework which didn't proactively block systems from running was inherently not compliant. GPP is an even more complex signal and does not proactively block systems.
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Perhaps the IAB has been changing GPP behind the scenes to address these concerns, but I don't think a non-real-time auditing framework tacked on to a bigger more complex version of TCF is doing anything but kicking the can down the road, but we need a real comprehensive solution
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To be fair, I think there is a lot of potential in a system *like* GPP. But if it is only another signaling framework like TCF it's hard to see how it could really resolve the problems the DPA has with TCF and the IAB.
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(The last RFC for GPP, PDF warning - iabtechlab.com/wp-content/uploads/2021/03/iabtechlab_global_privacy_platform_rfc_2021_march.pdf )