The QA Mindset
My favorite internal application at Apple is a product called Radar. It’s a Cocoa application that served as our bug tracking system, and if you wanted to know what was going on regarding a specific application at Apple, you went to Radar.
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For the teams that unfailingly followed these rules, Radar became a powerful tool because it became a credible source of truth regarding the product. The answer to the question, “How is the product doing?” wasn’t an annoyingly vague, “I’m feeling good about it.” The answer was, “We’re fixing critical issues at a rate of 1 issue per engineer per day. We’ve got 14 engineers, we’ve got 308 issues, which means if no issues arrive, we’ve got 22 days of work. Except our arrival rate is 7 a day and it’s increasing.