Relevant key performance indicators (KPIs) have become increasingly important over the last decade for evaluating the impact of marketing and media spending. Today, numerous companies offer products that measure “ROI” and “lift,” But, for many, it is difficult to differentiate them. This prompted the Online-Offline Metrics Working Group of the ARF’s Cross-Platform Measurement Council to create: The Guide to Lift and ROI Measurement Products. This comprehensive report highlights the product offerings of 27 companies in the space.