Which product development methodology revolutionized the gaming industry by allowing early player feedback in virtual worlds before full release?

The gaming industry has revolutionized product development practices, especially with the emergence of virtual worlds and immersive experiences. This poll tests your knowledge about how game developers have innovated their product development methodologies to create more engaging virtual experiences. Understanding these techniques reveals how the gaming industry has pioneered approaches that other sectors now adopt.

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Early Access Programs - where players can purchase and play games still in development, providing feedback that shapes the final product
Closed Alpha Testing - where only select professional testers evaluate games in controlled environments without public input
Post-Launch Development - where developers release a complete game and only then begin collecting user feedback for future titles
Virtual Focus Groups - where potential players view gameplay demos remotely but cannot interact with the developing product