PART 2 - FOUR HIDDEN CHIMNEYS CHAPTER 8: THE SHIELD OF SCREWTAPE Perpetual Beta and The death of Zero Defects

"The perpetual-beta model treats Internet applications as ongoing services with regular feature deployment, user testing, and instrumentation."

O'Reilly's perpetual-beta pattern explicitly joins frequent feature releases with users acting as real-time testers and instrumentation showing developers how new features are actually used.

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