Ключевые слова: 1213 years, 1415 years, 1617 years, academic, adolescence, attentive, back to school, book, bookshelf, boy, browsing, casual clothing, caucasian, caucasian ethnicity, child, chinese, chinese ethnicity, classmate, communication, computer, connection, development, digital tablet, disability, disabled, education, female, focused, four people, girl, girls, handicapped, high school, holding, impairment, information, intelligence, intelligent, knowledge, laptop, learn, learning, leisure, library, lifestyle, male, mixedrace, mixedrace person, modern, notebook, school, schoolboy, schoolgirl, secondary, sitting, student, study, studying, teenage, teenage boys, teenage girls, teenager, using, using laptop, web, wheelchair, wireless technology, wisdom, youth,