Rdio
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Rdio was an online music streaming service that offered ad-supported free streaming and ad-free subscription streaming services in 85 countries. Wikipedia
Discontinued: December 22, 2015
Key people: Anthony Bay (CEO); Carter Adamson (Co-founder); Niklas Zennström, Janus Friis (Founders)
Launch date: August 3, 2010
Platform(s): Web, iOS, Android, BlackBerry, Windows Phone, OS X, Windows, Roku OS