Description Did you know that about 50 % of your development time and cost of a software project are dedicated to user interface engineering? Depending on what kind of project you are working on, in absolute numbers, that might be a lot! Fact No. 2: Providing a good user interface is the top-most important acceptance criterion that makes interested people become customers. Still not sure? Fact No. 3: Creating a good user interface does not only mean to implement a UI that works and is fast. It also has to provide a satisfying user experience – which, to be honest, highly depends on the individual user than on your programming skills. You see: Engineering a great user interface is nothing that can be done purely within your team and by your programmers. You inevitably have to involve real potential users in one way or another. And that is the crucial part: How can you do that? You do not want to disturb your programmers during their work. You do not want to let development cost and ...