Coverage:
https://web.archive.org/web/20150312152233/https://gigaom.com/2009/04/27/419-interview-paul-brown-uk-md-spotify/
https://www.theguardian.com/media/pda/2009/apr/28/digital-music-and-audio-spotify
https://web.archive.org/web/20150312152233/https://gigaom.com/2009/04/27/419-interview-paul-brown-uk-md-spotify/
https://www.techradar.com/news/internet/spotify-hits-a-million-uk-users-595410