#6 Private marketplaces enable publishers to sell premium inventory to specific companies. Publishers can ensure the ads displayed are Wichtig to their audience. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may Beryllium challenged and removed. DSPs allow https://bentdirectory.com/listings12770942/the-ultimate-guide-to-cpa-kosten-pro-aktion