Rdio, the digital music service app that is available on both iOS and Android, has announced it’s personalized streaming stations are now free on mobile for all iOS and Android users. All users are invited to listen to all of Rdio’s stations, with a library of over 20 million songs, at no cost even those who’s subscriptions have ended. They have also announced two new features to the app. Station Sharing, share any song, station, artist even genre via facebook and Twitter (Google+ was not mentioned). Playlist and album stations, which is self-explanatory.