These articles contain helpful stats and tips:
http://www.hollywoodglamorous.com/2010/10/keep-kids-safe-online-tips-for-parents.html
http://www.cottagecountrynow.ca/news/article/893662–parents-children-youth-be-wary-online
http://socialworkersview.blogspot.com/2010/11/teenagers-and-web-sex-predators.html
http://news.yahoo.com/s/ac/20101215/hl_ac/7123880_parenting_tips_for_healthy_and_safe_facebook_use