Ключевые слова: adult, business, business person, businessman, casual clothing, caucasian ethnicity, cheerful, communication, confidence, connection, handsome, happiness, holding, indoors, lifestyles, looking, men, mobile phone, modern, occupation, office, people, place of work, portrait, positive emotion, professional occupation, real people, smart phone, smiling, standing, talking, technology, telephone, using phone, wireless technology,