Register by Jan 13 to save on passes and connect with marketers from Uber, Bose and more
This article is a WTF explainer, in which we break down media and marketing’s most confusing terms. More from the series →
Google’s Privacy Sandbox may be a bit stuck in the mud. Not only has the company postponed its own third-party cookie deprecation plans — again — but the U.K.’s Competition and Markets Authority has identified a whole host of concerns with Privacy Sandbox’s post-cookie proposals.
However. One Privacy Sandbox proposal that does not seem to have earned the regulator’s ire is the Private Aggregation API. Paired with Privacy Sandbox’s Shared Storage proposal, the Private Aggregation API stands to provide a means for marketers to receive reports on the audiences served their ads across sites while withholding individual-level reporting, as broken down in the video below.
“The Private Aggregation API is really going to help us answer quite a few questions, one of the most important being reach and frequency,” said Michael Bauer, vp and group director of data & analysis at Digitas North America.
More in Marketing
Inside the brand and agency scramble for first-party data in the AI era
Brands are moving faster to own first-party data as AI and privacy changes alter the digital advertising landscape.
Walmart Connect takes a play out of the Amazon playbook to make agentic AI the next battleground in retail media
The next retail media war is between Walmart Connect’s Sparky and Amazon’s Rufus, driven by agentic AI and first-party data.
What does media spend look like for 2026? It could be worse — and it might be
Forecasts for 2026 media spend range from 6.6% on the lower end to over 10% but the primary beneficiaries will be commerce, social and search.