1) The document discusses research on adolescents' use, production, and sharing of online videos and the implications for at-risk learners.
2) A survey found that adolescents commonly use video platforms like YouTube for entertainment, learning life skills, and preparing for school, with about a third producing or editing videos themselves.
3) While many adolescents share and discuss videos online and with friends, others do not due to legal barriers, technical issues with videos, or concerns about inappropriate content and comments.