Ключевые слова: app, authentic, book, candid, casual, caucasian, child, children, classroom, copyspace, cropped, cute, development, education, female, friend, friends, girl, group, growth, helping, homework, indoor, indoors, informal, inside, internet, kid, kids, learning, library, little, looking, natural, preteen, real, school, sitting, small, student, students, study, studying, tablet, technology, together, two, writing, young, youth,