"Once you start showing up in Newsweek, and one of the largest media companies in the world pays half billion dollars for you, it's kind of hard to maintain that 'street cred,'" he explained. "Kids will find something else that has street cred and move on to that, and I don't know what that is and if I did, the fact that I knew about it, would probably kill it."
A representative for MySpace said the models of earlier social networking sites used in Elliot's analysis did not apply to MySpace.
"MySpace has grown at an unprecedented pace," she said, and any notion it will "flame out is absurd."
She said figures from Internet audience measurement service comScore Media Metrix placed the Web site only behind Yahoo! in terms of page views and that the number of unique users is currently at 35 million, up more than 40 percent since 2005.