Ключевые слова: 1314 year old, 1319 year old, 1617 year old, adolescent, boy, bring your own device, brothers, campus, caucasian, cell, cell phone, cellular, coffee table, college student, communication, computer, computer gadget, couch, entertainment, expertise, face, family, free time, furniture, gadget, home, house, human face, indoors, interior, internet, joint, leisure, living room, male, man, mobile computer, pc, people, phone, portable information device, portrait, profession, residential, residential structure, resource, room, sharing, sitting, smart phone, sofa, spare time, student, technology, teen, teenager, telephone, top view, touchpad, university, university student, youth,