Ключевые слова: abstract, adult, answer, background, black, business, businessman, call, closeup, communication, concept, connection, contrast, device, dial, digital, display, electronic, finger, hand, info, information, internet, male, man, manager, marketing, message, office, one, person, phone, posing, press, pro, push, screen, shirt, smartphone, suit, tap, technology, tie, touch, using, wall, wireless, work, worker, young,