Ключевые слова: 20s, 30s, assesment, buzzword, caucasian, class, college, desk, digital tablet, education, female, indian, lecture, lecture hall, lecturer, lesson, looking at camera, male, man, mid adult, mixedrace, portrait, profession, professor, quiz, scrolling, single word, standing, students, study, studying, tablet, tablet computer, tablet pc, teacher, test, text, touching, touchscreen, tutor, university, using, woman, workplace, young adult,