Unfortunately, the side effect in this less-than-successful attempt to fight piracy is the hours it takes users to retrieve, rip, and back up their music when a services shuts down, is sold, or simply decides DRM wasn’t the right way to go sometimes in as little as five months. The following is a brief history of the rise and fall of DRM in music services.

via The DRM graveyard: A brief history of digital rights management in music | opensource.com.