Netflix Says Ad Tier Has 40M Users, Plans to Bring Ad Tech In-House in Shift From Microsoft Hollywood ReporterNetflix ad-supported tier has 40 million monthly users, nearly double previous count CNBCNetflix Says Users of Subscription Plan With Ads Hit 40 Million BloombergNetflix upfront—NFL Christmas Day games and more takeaways Ad AgeNetflix Is Launching Its Own Ad Tech AdExchanger