. >> ceo of pediatrics now and doctor glenn o'keefe said social met yorking is taking a toll on adolescence. >> and there are other kinds of things that can play out online from social interactions, social addictions heightening the anxiety and comparing yourself to other kids. >> as the author of the american academy of pediatrics she said facebook is making children depressed. >> so online where there is no check and balance, there is no end point and they can go on for hours and hours and click away and start comparing each other more and more and they see kids invited to other parties and they might see kids talk about grades and other things they do. it can harm kids self-esteem. >> in san francisco, associate professor adam gas alley is studying how older and younger people are interacting with people in their environment. >> people are familiar with interruptions in their daily lives and it is media based, especially texting and internet and e-mail popping up. that would be an extension of our work to understand what that impact might be on our performance. >> professor suggests that