Which packaging innovation did HBO first introduce for its premium TV show box sets that has since been widely adopted across the film and television industry?

The film and television industry isn't just about what appears on screen—it's also about how productions are marketed and presented to audiences. Movie and TV show packaging design has evolved significantly to capture viewer attention in an increasingly competitive streaming landscape. This trivia question explores a recent packaging innovation that changed how certain premium content is presented to consumers.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Thermochromic ink packaging that reveals hidden artwork when touched
Digipack with multi-panel artwork and premium booklet inserts
Biodegradable plant-based plastic cases with embedded seeds
Augmented reality-enabled covers that animate when viewed through a smartphone app