Evaluation and usability as a practice area has diversified its approaches, broadened the spectrum of UX issues it addresses, and extended its contribution into deeper levels of product-development decision making. This forum addresses conceptual, methodological, and professional issues that arise in the field's continuing effort to contribute robust information about users to product planning and design.   David Siegel and Susan Dray, Editors
['Jonathan Seth Arnowitz']
Taking the fast RIDE: designing while being agile