Ключевые слова: african, american, black, blackboard, blank, body, class, classroom, college, communication, computer, cropped, digital, educate, education, finger, hands, hold, holding, information, inside, internet, knowledge, learn, learning, media, mobile, modern, nail, online, part, people, person, pointing, school, student, studying, tablet, teacher, technology, thumb, touching, university, use, using, wood, wooden, young,