Ключевые слова: audiences, business, businessman, busy, chair, classroom, closeup, colleagues, conference, corporate, digital, display, during, education, electronic, finger, hand, hands, human, information, innovation, internet, job, keyboard, learn, lecture, mobile, modern, network, occupation, office, people, person, phone, room, screen, seminar, session, sitting, smart, student, studying, technology, telephone, touch, training, type, typing, using, work,