This translation from https://labs.spotify.com/2015/01/09/personalization-at-spotify-using-cassandra/
in Spotify We have over 60 million active users, they can access more than 30 million songs a huge music library. Users can follow hundreds of thousands of artists and friends, and create your own music charts. In our advertising platform, users can also discover new and existing content experience a variety of musical campaign (album, artist promotion). These options increase the autonomy and user engagement. Currently, users on the platform has been created over 1.5 billion playlist, and, last year alone more than 7 billion hours playing the music.
But sometimes a wealth of choices to make our customers feel a little confused. How to find the time to listen to playlists for workout from more than 1 billion playlist? How to find your own taste with the new album fit? By providing a personalized user experience on the platform, we help users discover and experience with