Which innovative vinyl packaging technique did Jack White's Third Man Records pioneer that revealed hidden images or playable content when exposed to heat or other elements?

The resurgence of vinyl records has been accompanied by creative packaging innovations that enhance the physical music experience. From elaborate gatefolds to colored vinyl and interactive elements, packaging has become a crucial part of music product strategy. Test your knowledge about how the music industry has evolved its physical product offerings through innovative packaging in the streaming era.

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Thermochromic vinyl that changes color when touched
Vinyl records with embedded LED lights that illuminate during playback
3D holographic album covers that project when scanned with a smartphone
Scented vinyl that releases artist-selected fragrances during playback