Which ad networks were the biggest winners and losers in 2020?

The dawn of a new financial year allows us to sift through the wreckage of 2020 and quantify the relative performance of all the top global advertising networks during a period of abrupt and far-reaching change.

Link de la noticia: 
https://www.thedrum.com/news/2021/03/15/which-ad-networks-were-the-biggest-winne...