The use of social media has gained a greater foothold in teen life as they embrace the conversational nature of interactive online media. However, general concerns exist among the public, community, schools, and administration that online social communication may pose more threats than benefits to adolescents. Adolescent Online Social Communication and Behavior: Relationship Formation on the Internet identifies the role and function of shared contact behavior of youth on the Web. With expert international contributions, this publication provides a deep understanding on various issues of adolescent Internet use with an emphasis on diverse aspects of social and cognitive development, communication characteristics, and modes of communication.