The Windows Phone 7.5 update finally let third party apps work in the background. Rdio, now in 3.0 and our favorite music player app on Windows Phone not named Zune, has taken full advantage: it can stream music in the background now. WOOHOO.
In other news, this post totally feels like it was written 2 years ago about another app on another device or something. [Windows Phone Marketplace via @FindEric]
