 to having
many testers is not entirely baseless.  Certainly there's little point
assigning testers for basic functionality in common environments: bugs
there will quickly be found by users in the natural course of things.
But because users are just trying to get work done, they do not
consciously set out to explore uncharted edge cases in the program's
functionality, and are likely to leave certain classes of bugs
unfound.  Furthermore, when they discover a bug with an easy
workaround, they often silently 