Ключевые слова: adult, business, businessman, businesspeople, casual, caucasian, cell, cellular, center, colleagues, communication, concept, conversation, corporate, coworker, elegant, executive, face, glass, handsome, lobby, male, man, manager, men, message, mobile, modern, office, online, people, person, phone, professional, self, smart, smartphone, social, space, spacious, standing, successful, suit, technology, telephone, two, using, view, window, young,