I attended the Net Tuesday Meetup last night and got to see a variety of people talk about the cool projects they're undertaking in Vancouver. Turns out there's a lot going on, but there was one presentation in particular that struck a chord with me.
A quick test for visualizing similar artist data harvested from MusicBrainz and Last.FM. It's also been coupled with Amazon's web service so you can see a list of albums sold by the artist.
I've been working on a backend web service data harvester for several months. Now that it's ready I put together a Constellation visualization as quickly as I could.