Data-driven marketing (or data-based marketing) is an approach designed to collect and interpret data in order to make strategic marketing decisions based on these interpretations.
Data-driven marketing allows campaigns to be more targeted and effective.
Clear and actionable reports with ready to use insights are needed for a data-driven marketing approach.
More about the Data-Driven Marketing on Piwik PRO Blog:
7 Steps to Make Data-Based Decisions with Web Analytics