In the digital world, the user interface is the medium of communication. It is the surface at which humans interact with the functionalities provided by machines—whether hardware or software. As such, ...

The scope and iPad represent just two of the many types of interfaces we work with. Fueling the range of variation is the trend toward natural user interfaces (NUIs) found in several consumer devices.

The evolution of graphical user interfaces parallels the evolution of computing technology itself. As computers grow more powerful and sophisticated, so does their ability to display cutting-edge ...