Last week at its f8 developer conference, after months (years, even) of rumors and speculation, Facebook finally got its music service. Well, it got a bunch of them: Spotify, Rdio, MOG, and others are now deeply integrated with the social network, and, for better or for worse, your friends' song choices are streaming through your Facebook Ticker as we speak.

To coincide with these integrations, Facebook also launched a Music dashboard, which is now featured in the left navigation sidebar (it's [...]

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