Ключевые слова: african, african american, american, black, book, boy, business, caucasian, child, childhood, class, classroom, college, computer, concept, digital, digital tablet, education, elementary, female, internet, kid, knowledge, learn, learning, lesson, little, looking, male, mid adult, mixedrace, occupation, people, person, pupil, school, student, study, studying, tablet, teacher, teaching, technology, three people, unaltered, university, woman, young, young female,