An organization can grow and succeed only if its product, marketing and sales functions thoroughly understand customer needs. While most organizations recognize the importance of addressing customer needs, many lack a consistent process to identify the full spectrum of those needs. The Forrester Needs Aperture is a methodology for identifying, prioritizing and applying customer needs to achieve innovation and go-to-market success. In this report, we introduce the Forrester Needs Aperture, a five-phase process for identifying, prioritizing and applying customer needs in order to optimize the commercialization of an organization’s offerings.