Publishers provide inventory to an ad exchange. Therefore, an ad exchange (the marketplace itself) holds the inventory while a Demand-Side Platform, which acts on behalf of advertisers, is the place where the buyers bid for the inventory depending on the impressions they have. Everything is rather forthright here: it’s the https://real-timebiddingrtb63937.howeweb.com/28611875/de-basisprincipes-van-a-b-testen