“Natural User Interface (NUI), is one of the favourite flavours du jour in certain interaction design and user experience circles. On the one hand, the term signals a change from the Graphical User Interace, or GUI, that has been prevalent since the early 1980s. In many ways, that’s good. Not that the GUI is going to go away (any more than the QWERTY keyboard, I predict). But progress does, as they say, progress. And just because there was a great idea that took hold, doesn’t mean that that’s all that there’s,” Bill Buxton.