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
Slacker Astronomy Science Center. Slacker Astronomy peaked at #4 in the top 10 "Science & Medicine" podcasts in iTunes Store in January, 2006 and at the time reported 13,000 unique weekly listeners. Its most popular show was downloaded by approximately 36,000 unique IPs after being featured on the frontpage of Slashdot on May 17, 2007. In addition to the weekly 5-10 minute show, there was another feed called Slacker Astronomy Extra where they published longer and unscripted shows, interviews and sound-seeing tours. The name 'Slacker Astronomy' was a trial name, and was meant to change early on in production but just stayed