In the 2010s, the software testing profession made a lot of big strides. Testing skills expanded significantly across the set of practitioners, and the number of professional testers grew.  However, there remains one place where testing remains challenged, and was unable to surmount that challenge in the 2010s. Tune in to learn what that challenge is, and to get Rex’s thoughts on how to succeed in the 2020s decade, which starts just two days later!