Ключевые слова: app, business, businessman, caucasian, cell, cell phone, cellphone, close up, communication, connection, copy space, device, executive, finger, gadget, hand, hold, horizontal, indoors, internet, lifestyles, male, man, message, mobile, mobile phone, modern, office, online, person, phone, screen, selective focus, shirt, smart, smart phone, smartphone, technology, telephone, text, tie, touch, touchscreen, typing, unrecognizable, using, wireless, work, yellow,