The very fact that the Spotify team was willing to publish this paper demonstrates how confident they are in their offering. Spotify is (albeit at a high level

The very fact that the Spotify team was willing to publish this paper demonstrates how confident they are in their offering. Spotify is (albeit at a high level of abstraction) telling competitors exactly how its service works! They’re begging Amazon and Google and Apple and the likes to copy their model. Those are some cojones.