Ключевые слова: analysis, app, application, beautiful, boy, browsing, chart, child, childhood, class, classmate, computer, concept, connection, data, education, elementary, gadget, girl, graph, group, happy, indoors, innovation, internet, kids, knowledge, learning, looking, many, online, pc, people, person, preteen, primary, projection, pupil, school, schoolboy, schoolgirl, schoolkid, smiling, student, tablet, teacher, teaching, technology, woman, young,