Which retail innovation was first widely implemented by movie theaters in the late 1990s that fundamentally changed their ticketing systems and customer experience?

The film industry has constantly evolved with technological advancements that have transformed the movie-going experience. From the early days of silent films to today's immersive entertainment venues, theaters have implemented various innovations to attract audiences. This trivia question tests your knowledge about a significant retail technology shift that changed how movie theaters operate and generate revenue.

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Self-service digital kiosks for purchasing tickets
RFID-enabled 3D glasses tracking systems
Facial recognition for personalized concession recommendations
Dynamic seat pricing based on screen viewing angles