"A designer’s voice on the relevance of User Experience (UX) design in modern GIS application development from Aaron Woodard,Timmons Group.
There are many examples of elements in everyday life that are perfectly constructed but fail when it comes to usability. Have you ever tried to put together a piece of furniture and found the directions to be overly confusing? Or have you ever been driving around town and found an intersection particularly awkward? Those are examples of bad User Experience Design. Just like a printed document or road sign may lead to a bad experience, so can a web or mobile application. Applications can be great functionally with all the necessary tools, but can provide a horrible overall user experience...."