Summary | A major shift is underway in the online advertising
industry. Marketers are aggressively challenging media
companies to prove the ads they sell are "viewable". The
problem is, nobody can seem to agree what "viewable" actually
means.
industry. Marketers are aggressively challenging media
companies to prove the ads they sell are "viewable". The
problem is, nobody can seem to agree what "viewable" actually
means.
blogs.wsj.com | 27 July 2015