In anticipation of the increasing adoption of personal identity and data management (PIDM) tools and services, customer insights (CI) leaders will be held increasingly accountable for their organizations' data collection, management, and use practices — including those of the vendors they hire to augment their CI teams. This practice, which Forrester calls "data stewardship," is an imperative that organizations must plan for and enact today. This is an update of a previously published report; Forrester reviews and updates it periodically for continued relevance and accuracy.