The popular music service, Pandora, has updated its iPhone app to version 2.0. The new free update (can be found at the App store) is significantly improved, more intuitive and easier to use. One of the new features is CoverFlow, which allows you to easily browse through your music by covers, and now including with back covers. Another useful feature in Pandora 2.0 is that you can listen to a 30 second preview of songs in your Pandora bookmarks. Pandora 2.0 brings improved UI differences making the application feel more like an iPod, making it easier for you to play, share your music and get quick info about your tracks.