When it comes to software testing, people disagree quite a bit. Some argue vehemently for a particular point of view, while others consider that very position nonsensical. For example, the "zero defects" crowd generally thinks the "good enough quality" crowd is out to lunch -- and vice versa. The different camps have different pictures in their heads, different frames of reference and implicit assumptions. A big part of what's important in debates about software testing (and, by extension, software quality) is what goes unsaid because the speaker considers it obvious. These kinds of disconnects lie just below the surface of this month's CBR,