Philippa also has Facebook friends, and claims to know "the vast majority" though some, she admits, are "quite far down the food chain". But what do teenagers make of this newfound freedom to communicate? All this is an extension to real life, not a replacement. Loads of my friends said they'd just never do that. Lots of talk about parties and about photos of parties. For Professor Patti Valkenburg, of the University of Amsterdam's internationally respected Centre for Research on Children, Adolescents and the Media , "contemporary communications tools" help resolve one of the fundamental conflicts that rages within every adolescent. How much do you use technology and what for? What if the constant self-confirmation teens experience online turns into excessive self-esteem, or narcissism?