Smith(2020年7月23日).“HBO Max Has Yet to Entice Key Group: People Who Already Have HBO”.Bloomberg.com.Bloomberg News.2020年7月23日閲覧。“The company announced Thursday that 4.1 million customers activated the HBO Max service within a month of its May launch. But that compares with at least 25 million HBO subscribers [who] could access HBO Max though a wholesale or retail channel.”