Ключевые слова: 4g, 9 years old, african american, asian, at home, black, boy, caucasian, cell, cellphone, child, childhood, children, computer, connected, digital tablet, female, four people, friends, friendship, games, girl, group, hanging out, happy, having fun, indoors, laptop, male, mediterranean, mixed race, mobile, mobile phone, multicultural, multiethnic, on line, online, people, person, playing, seat, sitting, smartphone, smiling, tablet computer, technology, text message, together, touchscreen, window seat,