[chadgeidel]

You might be surprised to hear there was extensive user testing when designing the ribbon. Jensen Harris blogged about some of the design work here: http://blogs.msdn.com/jensenh/archive/tags/Why+the+New+UI_3F... Here's a presentation from MIX: http://blogs.msdn.com/jensenh/archive/2008/03/12/the-story-o...