The unique Nexus difference includes its exclusive MoodMaker and SmartMix technology allowing you to instantly create and listen to customized playlists which include songs from your library and songs that Nexus recommends. You get full streaming of songs recommended by Nexus even if you don't own the song yet. You can share your playlists with other members of the NexTune online community with a free NexTune Network membership.You can easily create MoodMaker playlists by selecting the mood and genre of the music you want or with NexTune's SmatMix, you can enter one or more of your favorite artists. With either of these online playlist tools NexTune's proprietary technology compiles a list of similar songs and artists. Unlike other playlist technologies, NexTune goes the full distance by arranging the songs into a flow based on tempo and music style to create a listening experience that rivals any playlist technology currently available online or otherwise.Version 4.0 adds built in AmazonMP3 store to download songs, supports full streaming of recommended songs and playlists, integrated NexTune Network Community.