Many organizations are making a fundamental bet on enterprise collaboration (EC) to link the various roles in the customer experience ecosystem and make worker effectiveness and engagement into a competitive differentiator. Strategic vendor alignment will lay the foundation for and shape workers' experience for the foreseeable future. Application development and delivery (AD&D) professionals need to consider these decisions in the context of an overall strategy to avoid technology decisions that preclude optimal success later. This is an update of a previously published report; Forrester reviews and updates it periodically for continued relevance and accuracy.