Ключевые слова: 4g, 9 years old, african american, asian, at home, black, boy, caucasian, cell, cellphone, child, childhood, children, computer, connected, digital tablet, female, five 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,