Ключевые слова: black and white, business, businessman, caucasian, cellular, close up, communication, concept, connection, cyberspace, device, digital, display, electronic, equipment, finger, hand, hold, holding, information, lifestyle, male, man, media, message, messaging, mobile, mobile phone, mobility, modern, network, online, person, phone, screen, searching, smartphone, table, technology, text, text message, texting, touch, touch screen, typing, using, white, wireless, work, young,