ChatGPT Ads is live. You can't buy it.
It runs through Amazon DSP as a managed service, closed pilot, US only. Amazon's announcement says nothing about measurement. And the traffic will land on listings built for a different shopper.
Topic
Measurement
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How to drive external traffic to an Amazon listing, and prove it worked
Most Amazon accounts plateau because internal ads run out of room, not because the ads are bad. Here is how off-marketplace traffic works, what it returned on one account, and how to measure it properly.