Spotify deals for an interest in going public, Spotify announced that artists will be able to make albums temporarily exclusive to the Premium service if they are part of Universal Music Group or Merlin Network. On 28 February 2018, Spotify filed for a direct listing on the New York Stock Exchange. Spotify's shares began trading on 3 April 2018. Spotify operates under a freemium business model (basic services are free, while additional features are offered via paid subscriptions). Spotify generates revenues by selling premium streaming subscriptions to users and advertising placements to third parties. In December 2013, the company launched a
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