Best Practice Report

A Data Primer For Consumer Personalization

Four Types Of Consumer Data Shape Personalization Efforts

 and  ten contributors
Updated Nov 04, 2025

Summary

If strategy is the blueprint for consumer personalization execution, then data is the fuel. Yet data is a top challenge discussed in personalization programs. Companies grapple with a myriad of data challenges including missing data, siloed data, and nonactionable data. Four types of consumer data shape personalization efforts: zero-, first-, second-, and third-party data. And whether that data is static or dynamic matters, too. This report provides a guide to consumer data and gives companies a data checklist for personalization efforts.

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