The world is getting a bit overwhelmed with music streaming sites and it seems as if another contender is stepping up to join the ranks of Spotify, Pandora and MOG. Rdio (no, it is not a Ronnie James Dio tribute site) is another one, that will soon be launching. Looking to make a strong presence on mobile devices, Rdio is already getting a good twitter buzz from the few lucky people testing it out. Stay tuned and we will find out how to get your music on this promising new service. Get more details here.