Which pioneering game development practice did Rockstar Games introduce during the creation of Grand Theft Auto V that has since become an industry standard for AAA titles?

The development of AAA video games involves complex product development cycles and significant milestones. Understanding these processes reveals how major gaming studios transform concepts into blockbuster titles. This trivia question focuses on a famous development milestone that changed how games are created and marketed in the modern era. Test your knowledge of gaming industry product development practices!

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Motion capture technology using professional actors for all character animations
Simultaneous development for multiple platforms using a unified code base
Dual-studio development model with synchronized teams across continents working on a 24-hour cycle
Pre-release gameplay testing using an invitation-only beta access program