Nielsen//NetRatings via Marketwire: “over a three-year period, the top sites among teens 12-17 have shifted from those offering a selection of instant messaging buddy icons to those providing assistance with social networking profiles and page layouts.”

Los Angeles Times on YouTube: “What’s so unique about YouTube is that most of the content on the site is this conversation between people,” said Fred Stutzman, a doctoral student at the University of North Carolina in Chapel Hill who has studied social networks. “The interesting thing is that the conversations are happening in videos.”