Which product design innovation revolutionized Broadway stage productions in the 2000s by allowing performers to 'fly' without visible wires or harnesses?

The world of performing arts relies heavily on innovative product design to create immersive theatrical experiences. From revolutionary stage mechanisms to cutting-edge props and costumes, product design shapes how audiences experience performances. This trivia question explores a groundbreaking product design innovation that transformed modern theatrical productions. Test your knowledge of how product design intersects with the performing arts industry!

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ZFX Flying Effects system with computer-controlled magnetic levitation
Gantry projection mapping with holographic overlay technology
Hydraulic trap door systems with programmable trajectory control
RFID-embedded costume technology with automated stage tracking