Upon the user’s arrival, the website or app sends a request to an ad exchange. An ad exchange is a platform that acts as a marketplace, connecting advertisers with publishers World health organization have available ad spaces. This request contains information about the Endanwender, the context of the visit, and https://claytonbdxvn.digitollblog.com/27983228/top-jeweils-fünf-cpm-kosten-pro-tausend-urban-news