Dr. Boyd's dissertation "Taken Out of Context: American Teen Sociality in Networked Publics" focused on how American youth use networked publics for sociable purposes. It is important that all teachers, parents and administrators have the right information about what people (youth and adults alike) are doing with networked spaces.
As a related note, here is a link to my policy regarding forming connections with people (youth and adults alike) in online spaces. I wrote this as a way to provide some transparency about my online connections.
Audio Recording from Danah Boyd's Talk with Steve Hargadon: