Spotify's Top 10 most viral tracks

The following list represents the most viral tracks on Spotify, based on the number of people who shared it divided by the number who listened to it, from Monday, March 25, to Sunday, March 31, via Facebook, Tumblr, Twitter and Spotify.

via Tech News Headlines - Yahoo! News http://news.yahoo.com/spotifys-top-10-most-viral-tracks-184511978.html