As third-party cookies fade, first-party data becomes the foundation of paid advertising success in 2026. This guide explains how brands can use owned data to improve targeting, personalization, and campaign performance across platforms. https://www.theqa.in/blogs/the-new-rules-of-paid-advertising-in-2026-winning-big-with-first-party-data/ #PaidAdvertising #FirstPartyData #PerformanceMarketing #DigitalAdvertising #MarketingStrategy2026 #DataDrivenMarketing #AdOptimization #GrowthMarketing #DigitalMarketingCompanyIndia #DigitalMarketingAgencyKolkata #PaidAdsAgencyKolkata #MarketingAgencyEastIndia #MarketingROI #LeadGeneration #BusinessGrowth