A Conversation with Jef Raskin -- (Ubiquity) "Using their and my methods, you can predict a lot about the performance of an interface and its human users without having to build and test it. The theoretical approach is useful in rejecting certain classes of poorly designed interface widgets and methods, but there are many other factors of importance, and testing is still required to make sure that an interface works well." (Mac Comments: If you've got a Mac you can download "The Humane Editor".)