Ключевые слова: business, businessman, cell, cellphone, chatting, chroma, chroma key, close up, closeup, communication, device, digital, display, finger, gadget, green, green screen, greenscreen, hand, holding, internet, lifestyle, male, man, man phone, message, mobile, mobile phone, mockup, modern, online, people, person, phone, professional, screen, slow motion, smartphone, sms, surfing, technology, telephone, texting, touching, touchscreen, typing, unrecognized, using, working, writing,