rogerd - 12:22 pm on Feb 24, 2010 (gmt 0)
Many of the kids, too. In the "college bound" teen demographic, Facebook crushed MySpace. Since it was originally just for college students, when Facebook opened its doors to the pre-college crowd they began to swarm in.
This teen shift was just part of the growth of Facebook - they have continued to add members in all age brackets. Facebook's dominance grows as the "network effect" comes into play - if I'm a newbie to social media, I'm going to join the network where most of my friends are.