Definition
Google’s Privacy Sandbox is a set of browser APIs and proposals intended to reduce cross-site tracking while preserving ad measurement. Adoption has been slow amid antitrust scrutiny and industry pushback.
Key Points
- 2026-10-11: Independent analysis chronicles multi-year third-party cookie deprecation delays; notes Privacy Sandbox alternatives drew limited uptake while fingerprinting-based identification persisted (2026-10-11-browser-fingerprinting-new-cookies)
- Connects to broader ai-antitrust and ad-tech regulation debates