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I am talking about cases where the ad results in a click or view through and finally tracked to a purchase from the same provider. You shouldn’t see the same ad again or another ad to rent a hotel room from same hotel chain. I thought that was the case GP was taking about.

I am excluding the likes of companies like BlueKai (now Oracle) who facilitate trading the cookie to other companies for further targeting or completely different chain of ads based on a search click to another hotel chain

That said, all of this is getting killed by recent Safari and Chrome change of getting rid of all 3rd party cookies




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