In a pair of related studies released by Seattle Children's Research Institute and published in the January 2009 issue of Archives of Pediatric & Adolescent Medicine, researchers found that 54 percent of adolescents frequently discuss high-risk activities including sexual behavior, substance abuse or violence using MySpace, the popular social networking Web site (SNS).

About half of teens reference sex, substance use or other risky behaviors on their publicly available online profiles, according to a report in the January issue of Archives of Pediatrics & Adolescent Medicine, one of the JAMA/Archives journals.

Imeem, the up and coming social network giant, forged a licensing deal with the last of the four major record companies today, announcing they will feature Universal Music Group's vast digital collection.