Spotify their favourite artists, as well as music, review, and concert recommendations based on listening history. Users can add all tracks to a "Collection" section of the app, rather than adding to a specific playlist. The features were announced by CEO Daniel Ek at a press conference, with Ek stating that a common user complaint about the service was that "Spotify is great when you know what music you want to listen to, but not when you don't", adding that "20,000" new songs got added to the service on a daily basis. "You're fighting with 20 million songs on Spotify", Ek
Criticism of Spotify Ergatoudis said: "I've got every reason to be very optimistic Taylor Swift will be coming back to Spotify. I'm not saying it's done, but the indications are good, put it like that". Swift collaborated with Zayn Malik for the song "I Don't Wanna Live Forever" for the movie "Fifty Shades Darker". The song, released in December 2016, was withheld from Spotify for one week after its original release on competing streaming services. In June 2017, it was announced that Swift's full catalog would be released on all streaming services, including Spotify. On social media, Swift's management team stated: "In celebration