Ключевые слова: 20s, blue, caucasian, chinese, college, computer graphic, desk, diagram, digital, digital tablet, digitally generated, education, female, futuristic, hologram, holographic, indoors, interface, knowledge, learning, lecture, lecture hall, male, man, mixedrace, pressing, profile picture, projection, research, screen, scrolling, selecting, social media, social network, student, studying, tablet, tablet computer, tablet pc, technology, touching, touchscreen, university, using, woman, young adult,