Most likely this huge growth over the last couple months has been the $0.99 for three months offer - http://www.cnet.com/news/get-a-3-month-spotify-premium-subs

Most likely this huge growth over the last couple months has been the $0.99 for three months offer - http://www.cnet.com/news/get-a-3-month-spotify-premium-subscription-for-99-cents/ http://www.cnet.com/news/get-a-3-month-spotify-premium-subsc... It's a great way to inflate subscriber numbers for an IPO, but I doubt it's a long-term trend.