IAB Tech Lab's framework for encoding and transmitting privacy signals across jurisdictions in a single string, covering the US national and state privacy laws, Canada, and, as a section, the European TCF. GPP replaced the earlier US Privacy String (CCPA) and is the mechanism through which opt-outs and sensitive-data limits under US state laws reach ad tech partners.
Cite this entry:
Agency Echelon. "Global Privacy Platform." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/global-privacy-platform/