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. If you liked this video, check out another one of our digital advertising videos: What is Digital Advertising? Don’t forget to subscribe to our YouTube https://monetizaodesites53086.loginblogin.com/35122188/o-melhor-single-estratégia-a-utilizar-para-otimização-de-anúncios