Ключевые слова: academic, adolescence, attentive, backpack, book, bookcase, bookshelf, boy, casual clothing, caucasian, child, chinese, communication, concentration, connection, development, digital tablet, education, female, focused, girl, high school, holding, intellectual, intelligence, internet, knowledge, learn, learning, leisure, library, lifestyle, male, modern, reading, school, schoolboy, scrolling, secondary, standing, student, study, studying, tablet computer, tablet pc, teenage, teenager, touching, touchscreen, web, wireless technology, youth,