Adolescents are still developing their ability to empathize with others, research shows:
http://www.wsj.com/articles/teen-years-are-a-window-of-opportunity-to-learn-empathy-1429051107
Despite what you might think about stand-up comedian Louis C.K., the first minute of this interview with Conan OBrien should remind us that technology is no substitute for face-to-face contact:
Technology isn’t evil. However, families need to find ways to encourage face-to-face human interaction. Ask question, be persistent, and be affectionate!