I was just contacted by Unified Ad Marketplace (from Amazon Publisher Services) and was wondering if anyone here has had any experience with them.
Seems to be an invite-only program dealing in header bidding - maybe something like a competitor to Google DFP?
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aps.amazon.com...]
One weird thing is they say they will "waive the 10% transaction fee charged on impressions served by SSPs from now until Aug 31st" which I don't know what that means exactly. I initially read that and it turned me off from investigating further but maybe it's worth a look.