Ключевые слова: background, black, blank, both, business, cell, cellphone, communication, connection, design, device, digital, display, electronic, empty, hand, hold, holding, horizontal, internet, iphon, isolated, male, man, mobile, modern, pair, palm, phone, photo, photograph, picture, screen, selfie, shoot, show, showing, smart, smartphone, take, technology, telephone, touch, touchscreen, two, video, watch, white, wireless,