Too Many Defects from Hexawise.
Studies show that 84% of defects found in production could have been found by testing every pair of parameter values. Hexawise helps you find these pairwise defects before they reach users.
The video provides a few glimpses of the Hexawise Coverage Matrix (learn more about it in this previous blog post).
Related: "Grapefruit Juice Bugs" - A New Term for a Surprisingly Common Type of Surprising Bugs - How to Convince Your Organization to Adopt Pairwise Software Testing - Does pairwise testing really work? Evidence, data, and case studies. - Looking at the Empirical Evidence for Using Pairwise and Combinatorial Software Testing