Which feature was NOT typically included in vinyl album packaging during the format's 21st century revival that has contributed to its renewed popularity?

The music industry has seen remarkable shifts in how music is packaged and sold over the decades. From vinyl records to cassettes, CDs to digital downloads, and now the surprising resurgence of physical formats. This trivia question explores how product packaging in the music industry has evolved and adapted to changing consumer preferences, technological innovations, and cultural trends. Test your knowledge about one of music's most fascinating packaging comebacks!

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Digital download codes for the same music
RFID chips that connect to streaming services
Gatefold sleeves with expanded artwork
Colored or limited edition vinyl pressings