Adolescence can be a rough time for parents. At times, your teen may be a source of frustration and exasperation, not to mention financial stress. But these years also bring many, many moments of joy, pride, laughter and closeness. 

Social media apps that let teens do it all -- text, chat, meet people, and share their pics and videos -- often fly under parents' radars. Read about 16 Apps being used by teens!