I bet there is hardly a person who has never experienced this situation: You want to do something in an application, but the control (UI widget) which does it is greyed out – and you have no fracking idea why! This is a frustrating situation, and that is why it’s common sense among UX professionals …
Offering help and support in user interfaces is not an easy task: You have to offer the right amount at the right moment. If you offer too little support, users are frustrated and feel stupid because they don’t know how to use your product. If you offer too much support or you offer it in …
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