The popular European music-streaming service Spotify launched in the States today. There's a free service (for which you'll need to wait to receive an invitation) as well as two different to-pay versions ($4.99 per month and $9.99 per month). Here's the video announcing its arrival: [videoembed size="full_width" alignment="center"][/videoembed] You can get more information on the different plans (and request an ...