Usability

Usability

When the point of contact between the product and the people becomes a point of friction, then the designer has failed. On the other hand, if people are made safer, more comfortable, more eager to purchase, more efficient — or just happier — by contact with the product, then the designer has succeeded.

Henry Dreyfuss
Henry Dreyfuss

An American industrial engineer, renowned for designing and improving the usability of consumer products such as Hoover vacuum cleaner or the tabletop telephone.