Did the Musi app simply provide users with “enhanced functionality to interact with publicly available content on YouTube’s website through an augmentative interface”? Or was it an unlicensed music streaming app that had long violated YouTube’s terms of service? We now have a legal battle to consider that very question, because Apple recently kicked the Musi app – which pulled its music from YouTube – out of the App Store, and Musi has sued Apple in response. Read my CMU report on the lawsuit here.