User Acceptance testing is the final stage in quality assurance and quality is no longer simply, “Does it work?” Usability has become a part of functionality. While function and regression tests validate functional specifications, User Acceptance Testing validates both the quality of the interface and the suitability of the application for its intended purpose.
There are several important distinctions between Bugwolf's gamified approach to manual exploratory testing and most conventional "crowdsourced" approaches...