Social networking sites help students gain important skills / Lauren Gerber -- Social networking sites can limit interpersonal skills and physical activity / Sue Scheff -- Social networking sites harm children's brains / David Derbyshire -- Social networking sites can be forums for cyberbullying / Abraham Foxman and Cyndi Silverman -- Social networking sites cannot be blamed for bullying / Kate Harding -- Schoolchildren are not ready for social networking / Kari Henley -- Social networking sites can be hunting grounds for sexual predators / John Kreiser -- The fear of social media is unfounded / Curtis Silver -- Social networking sites are increasingly frequented by stalkers / National Center for Victims of Crime -- Social networking sites are addictive / Sam Leith -- Social networking sites give users an inflated sense of self / Debra Ronca -- Students admitted early to college network on Facebook / Jenna Johnson -- Social spam is pervasive / Chris Wilson -- Pro-anorexia sites should be banned / Sarah Menkedick -- Pro-anorexia sites should not be banned / Angie Rankman.