Specially marked 500ml bottles of Coca-Cola®, Diet Coke®, or Coke Zero® came with an exclusive Spotify playlist printed right on the label. Users could unlock the playlist with the Play a Coke® app. Just point your phone at the label, press play to listen, and twist your bottle to shuffle. Then, save the playlist to your Spotify account to listen all summer long! Whatever your sound, there’s a bottle out there for you.