Thanks to Facebook, Spotify's Usage is Skyrocketinghttp://www.readwriteweb.com/archives/spotify_usage_grows_facebook_integration.php?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+readwriteweb+%28ReadWriteWeb%29 by tejaswiy • 15 years ago 1 0 15 years agoREreadwriteweb.com