I’ve always considered last.fm to be more… well… social. You get together with your buddies, and talk about music, and try different tracks. Well, it turns out to be as good, if not better than Pandora. Not only can you listen to music in more locations outside your browser, but its formula seems to work better.
So, just for reference, here’s my profile link. Nothing spectacular yet, as I’ve only just begun listening today.