In between the advertiser and the publisher is the ad exchange. You can think of the ad exchange like a market with vendors and buyers. Most importantly, SSPs enable publishers to simultaneously offer ads on their webpages to many different ad exchanges and ad networks. RTB auction is similar to https://rtbreal-timebidding19753.vidublog.com/28033725/quanto-você-precisa-esperar-que-você-vai-pagar-por-um-bem-cpm-custo-por-mil