Toward this end, technologies such as the graphical user interface, virtual environments, speech recognition, gesture and handwriting recognition, multimedia presentation, and cognitive models of human learning and understanding have been developed and applied as part of HCI research agendas. HCI is sociotechnological because it concerns how people , both as individuals and as groups, use and are affected by computer and communication systems . Quality of life.
Information technology is one of the drivers for increased productivity.
As more and more workers use computers in their jobs, training time and ease and speed of use become economically more and more important. Growth of the computer and communications industries. Powerful, interesting, and usable applications are the fuel for continuing growth of these industries. The current cycle of growth is the direct consequence of the graphical user interface developed by Xerox and commercialized by Apple and Microsoft, and of the lower computer costs made possible by the microprocessor. The resulting mass market supports commodity pricing for both hardware and software.