Simon Collison writes about the different forms of prototyping in ErskineLabs' Process Toolbox, describing the benefits of paper, wireframe, and browser prototypes.
As much as all parties may talk about requirements and argue over features, often they won’t really “get it” until they can see the concept represented visually, and understand its exact behaviour. This brings us on to various methods of prototyping.
Found via I ♥ wireframes. Read more at Erskine Labs.
http://erskinelabs.com/post/the-process-toolbox-part-eight-prototyping/