Retail media accounting rules create hidden revenue gaps for CMNs: IAB Europe and Mediasense explain how IFRS accounting rules shape retail media revenue reporting, creating gaps between public figures and actual CMN performance data. https://ppc.land/retail-media-accounting-rules-create-hidden-revenue-gaps-for-cmns/ #RetailMedia #AccountingRules #RevenueReporting #CMNPerformance #IFRS