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A Systematic Literature Review of Zero, First, Second, and Third-Party Data in Digital Marketing: The Post-Cookie Era
Abstract
This study examines zero, first, second, and third-party data strategies in digital marketing through a systematic literature review (SLR), with a particular focus on the post-cookie era. Guided by the PRISMA 2020 protocol, the study qualitatively synthesizes 25 SSCI-indexed articles selected from the Web of Science Core Collection, covering the period 2021 to May 2025. By structuring the evidence through the Theory, Context, Characteristics, and Methodology (TCCM) framework, the review finds that the deprecation of third-party cookies is not merely a technical disruption. Instead, it represents a strategic shift toward consent-based and relationship-oriented data architectures, where marketing performance is increasingly shaped by legitimacy and governance. Zero-party data (ZPD), intentionally and proactively shared by consumers in exchange for a transparent value trade-off, and first-party data (FPD), behavioral data captured through a brand’s own touchpoints, constitute the operational foundation of privacy-sensitive personalization. Second-party data (SPD), shared through managed partnerships, offers a controlled pathway to scale, whereas third-party data (TPD) sourced from external providers is increasingly characterized as a high-variance and risky resource due to declining transparency and “accuracy erosion.” The literature highlights three dominant adaptation pathways: strengthening internal data infrastructure (CDP/CRM) to unify first-party signals, replacing deterministic tracking with probabilistic and customer-journey-based modeling approaches, and adopting privacy-preserving technologies such as blockchain. Overall, the study positions “personalization without tracking” as an integrated capability challenge spanning analytics, governance, and organizational design. Overall, the study positions “personalization without tracking” as an integrated capability challenge spanning analytics, governance, and organizational design. By addressing the fragmented nature of the current literature identified through the TCCM analysis, this study integrates these findings into the proposed "Marketing Data Re-Architecture Triad," providing a unified strategic roadmap that effectively bridges the theoretical gap in the post-cookie era.
Keywords
Kaynakça
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Ayrıntılar
Birincil Dil
İngilizce
Konular
E-Ticaret
Bölüm
Derleme
Yazarlar
Yayımlanma Tarihi
30 Nisan 2026
Gönderilme Tarihi
3 Ekim 2025
Kabul Tarihi
27 Ocak 2026
Yayımlandığı Sayı
Yıl 2026 Cilt: 8 Sayı: 1