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Google’s Privacy Sandbox: What You Needed to Know, Before Its Demise

Google has abandoned plans to deprecate third‑party cookies in Chrome and instead will continue developing its Privacy Sandbox alternatives while offering users an opt‑in choice, a move that has sown widespread industry confusion and regulatory scrutiny. An IAB study found 88% of professionals say Google’s reversal has caused major confusion, after Google had previously rolled opt‑out testing to about 1% of users; the U.K. CMA has more than doubled its list of Privacy Sandbox concerns and the IAB Tech Lab warns the proposals could undermine ad effectiveness and revenue for smaller publishers. The shift leaves advertisers, publishers and ad‑tech vendors scrambling to recalibrate multi‑platform strategies amid ongoing antitrust and privacy probes, raising the risk of higher compliance costs and a fractured path to a cookieless future.