Usability is the key to successful use of EHRs resulting in safe, easy to use and useful applications. Good usability saves money by reducing the time and resources needed for training and post-implementation support, lessens the negative impact on productivity and diminishes technology-induced errors. It also promotes user satisfaction and adoption. There have been numerous outcries from improved EHR usability. These arise at granular level by physicians, nurses and other clinicians in hospitals, clinics and other healthcare settings. They also are more formally voiced by organizations...