Topic: Time spent on Facebook, Twitter, YouTube grows
http://www.usatoday.com/tech/news/2010- 2_ST_N.htm
The rise of social networks has enhanced consumption of videos, movies and news and sports articles. "Friends and family are endorsing content to others," says Dave Martin, vice president of primary research at Nielsen.
And the face of that audience is getting older: Twice as many Americans over 50 visited social networks than kids under 18, Nielsen says.