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.
An American industrial engineer, renowned for designing and improving the usability of consumer products such as Hoover vacuum cleaner or the tabletop telephone.
If we design and construct products in such a way that the people who use them achieve their goals, these people will be satisfied, effective, and happy and will gladly pay for the products and recommend that others do the same.
An American software designer and programmer. Widely recognized as the “Father of Visual Basic".
The push for simplicity has a purpose. Stripping away non-essential features makes products easier for people to learn from the start and easier to use over time.
Software engineer and designer who worked for Apple for over fifteen years. Ken worked on the software teams that created the Safari web browser, iPhone, iPad, and Apple Watch.
A door may afford pulling or pushing, depending on which way it opens. When a person can see in advance whether to pull or push the door to open it, that’s a good user interface.
A former Sun Microsystems Engineer and "The world's leading expert on Web usability" (www.useit.com).
People do judge books by their covers, internet sites by their first pages, and buildings by their lobbies.
The Director of Design at Stuff Creators Design in Houston and author of the best-selling design book, Universal Principles of Design.