Daunting as they are to develop, government forms with improved usability save money by reducing the need to contact customers, correct errors, and deal with bad data.
There is a comprehensive set of principles and specifications for usability in internet forms called ELMER.
Awareness of perspective and the implications of mental rotations are needed when making different kinds of maps and way-showing, affecting our sense of direction daily and in emergencies.
China has many possibilities when designing for emerging markets, for example, improving the quality of communication between migrant worker parents and their children.