Companies establishing themselves as digital businesses have a giant leap to make: They must stop treating technology as a cost center, and start treating it as a source of revenue, agility, and engagement. This report outlines the four technologies that digital business leaders in the establish stage of digital maturity should focus on: web and mobile interfaces for customer engagement, data and analytics to understand your customers, identity management to protect and serve customers, and cloud computing to move to the future of software. This is an update of a previously published report; Forrester reviews and updates it periodically for continued relevance and accuracy.