Billboard Social 50

Billboard is not only the site for seeing how an artist or song is charting, but also a place to find out how an artist is doing on social media. Billboard describes the Social 50 as "A ranking of the most active artists on the world's leading social networking sites. Artists' popularity is determined by a formula blending their weekly additions of friends/fans/followers along with artist page views and weekly song plays, as measured by Next Big Sound."