Criticism of Spotify after its release, citing that all music on Spotify is available to both paid and free users. Coldplay previously delayed their album "Ghost Stories" from all streaming services for four months after CD, vinyl and download release, and did the same with its earlier album "Mylo Xyloto". Beyoncé's self-titled album was not available until 24 November 2014, nearly a year after its original release. Adele's "21" was not initially available on Spotify, as Adele wanted Spotify to make her album available to paid subscribers only, but not to free users. Spotify declined her offer to avoid creating separate catalogues for
Spotify team would lead an Advanced Analytics unit within the company focused on developing data services. In April 2016, Spotify acquired CrowdAlbum, a "startup that collects photos and videos of performances shared on social networks", and would "enhance the development of products that help artists understand, activate, and monetize their audiences". In March 2017, Spotify acquired Sonalytic, an audio detection startup, for an undisclosed amount of money. Spotify stated that Sonalytic will be used to improve the company's personalised playlists, better match songs with compositions, and improve the company's publishing data system. Spotify also acquired MightyTV later in March, an app