Metrics are key to enabling smart business decisions. Too many digital business professionals want to benchmark their performance against their competition rather than devise a scorecard that aligns with their own objectives, resources, and customer base. Digital business professionals should create a timeline to evolve metrics from adoption to engagement to business outcomes, forecast realistic targets, and choose smart metrics given their goals. Exercise caution with external benchmarks, as apples-to-apples comparisons are tough to find. This is an update of a previously published report; Forrester reviews and updates it periodically for continued relevance and accuracy.