The YouTube 100 tracks songs across "official music videos, user-uploaded videos and viral debuts, and uses this data to provide a holistic view of song popularity." And that's how we got to a place where "Friday" steals some of Gaga's limelight.
MTV just launched a new artist ranking service, based on velocity rather than popularity. Its aims: to shed the shackles of the Billboard charts, and take account of blogosphere buzz.
Which metric best captures Lady Gaga's global superstardom: the 15 million albums she's sold to date, or the billion views she reached this week on YouTube?
