Here is the (not quite complete) browser for last.fm users’ listening prefs and friends, that I wrote for Tod’s class last term. It shows the focal user’s friends, scaled in size by musical taste compatibility, along with the top tags for the top artists listened to by the focal user. The goal of this was to focus on what types of music each user listens to, instead of the particular artists, and to look at last.fm as a social cloud of music listeners. It’s my first project in Flash, and uses the flare visualization toolkit.
(Click on any last.fm username to move about in the clouds. Note: it’s a little slow; lots of downloading of RSS feeds going on in the background here.)