Which innovative vinyl packaging design technique helped Jack White's 'Lazaretto' Ultra LP become the best-selling vinyl release of the 2010s decade?

The resurgence of vinyl records has brought innovative packaging design back to the forefront of music marketing. Beyond just protecting the record, album packaging has become an art form that enhances the listening experience and creates collectible value. Test your knowledge about how packaging design influences consumer behavior and brand identity in today's music industry, where digital and physical formats coexist in interesting ways.

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A hidden track under the center label that plays at 78 RPM
A sleeve that changes color when exposed to heat from handling
A built-in hologram that appears when viewed at certain angles
A scratch-and-sniff cover that released different scents based on the songs