They didn't have many other options with Spotify being free and ad-supported. Good move by Rdio, this model works for the majority of users. I'm not sure if th

They didn't have many other options with Spotify being free and ad-supported. Good move by Rdio, this model works for the majority of users. I'm not sure if the music industry is being dragged into this model kicking and screaming or they finally realized its potential. Either way, the consumer wins.