I have been recently thinking about designing simple yet
powerful UI.  I recently sat down one weekend to take notes from
Alan Cooper, one of the thought leaders in interface design,
from his book About Face.   Below are some of the points from
the book that I found particularly interesting that I have been
trying to keep in mind as we have been designing the Camano and
Manual Testing UIs.  In future postings, I'll discuss how we
have applied these design principles to recent versions of the
Test product.   Design for intermediates users   Cooper argues
that the vast majority of users of any software product can be
categorized as intermediate users - users who basically know how
to use the product and generally use it for doing the same thing
all the time. He estimates that such users are around 80% of the
users who use the product, with the remaining 20% equally
distributed between advance and beginner users.   However, he
interestingly points out that although they are the majority of
the users of the produ