Publishers From Rolling Stone to PopSugar Pool Ad Sales Efforts to Combat Tech Giants – WSJ

New York Media, PopSugar and Rolling Stone are all joining Concert, a digital advertising marketplace operated by Vox Media, the companies said Thursday.
— Read on www.wsj.com/articles/publishers-from-rolling-stone-to-popsugar-pool-ad-sales-efforts-to-combat-tech-giants-1527771600