Facebook Warns of Major Impacts to Audience Network Effectiveness Due to iOS 14 Update August 26, 2020 / All Digital News, Tips & Tricks / By Tessa D. Facebook has warned Audience Network advertisers that changes to iOS 14 will severely impact ad effectiveness. source https://www.socialmediatoday.com/news/facebook-warns-of-major-impacts-to-audience-network-effectiveness-due-to-io/584206/