Adtech's 3 Main Gripes With Google's Privacy Sandbox
Briefly

Privacy Sandbox covers display ads, but it doesn't make it easy to run video ads. Nor does it offer tools to send requests for ads of multiple sizes... it also doesn't have functionality for traffic shaping... important tool for adtech firms to filter inventory.
[The Privacy Sandbox application-programming interfaces] are not designed to offer one-to-one replacements for third-party cookies or cross-site identifiers.
Criteo said publishers will likely lose 60% of their revenue, while Index Exchange noted a 33% decline in ad prices from the current status quo.
Read at Adweek
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