GroupM: Long Tail Ad Market Isn't As Long As You Think It Is

A GroupM analysis suggests the long-tail may not be as long as many in the industry suggest it is. The analysis, which examines actual data submitted to the Internal Revenue Service by 5.6 million small businesse

Link de la noticia: 
https://www.mediapost.com/publications/article/338690/groupm-long-tail-ad-market...