Digital intelligence, which continually analyzes and optimizes digital customer interactions, is essential in the age of the customer. Firms that attain high levels of digital intelligence excellence will attain competitive advantage, and services vendors can help you get there quickly. But the rapidly evolving digital intelligence services vendor landscape complicates partner selection. Forrester recommends that CI professionals assess service provider capabilities and delivery models before leveraging their services. This is an update of a previously published report. Forrester reviews and updates it periodically for continued relevance and accuracy; we revised this edition to factor in data from Forrester's Global Business Technographics® Data And Analytics Survey, 2016, and Forrester's Q3 2015 Global Online Testing Platform Customer Online Survey.