IAB Poland maps the complex Polish digital advertising ecosystem with 400+ brands: Polish digital advertising market transparency improves with launch of comprehensive industry directory covering nine sectors and 55 categories from agencies to analytics. https://ppc.land/iab-poland-maps-the-complex-polish-digital-advertising-ecosystem-with-400-brands/ #IABPolska #ReklamaCyfrowa #MarketingInternetowy #PrzemysłReklamowy #PrzezroczystośćRynku