Ключевые слова: 4049 years, american, banker, bench, businessman, caucasian ethnicity, computer software, data, email, facial expression, finger, hand, information medium, internet, investor, male, man, mature adult, middle aged, mobile app, mobile phone, networking, one man only, outdoor, outdoors, park, professional, reading, scrolling, sitting, smart phone, surfing, telephone, touching, using phone, web browser, web page, white people, worker, working,