Ключевые слова: app, application, blank, casual, chat, chroma, computer, connection, cover, device, digital, display, electronic, empty, finger, gesture, green, greenscreen, hand, holding, indoor, internet, key, laptop, male, man, mobile, monitor, pad, people, person, presentation, promotion, reading, screen, smart, smartphone, tablet, tap, touch, touchpad, touchscreen, type, using, watch, web, wireless,