Ключевые слова: 4050 years, adult, business, business person, businessman, busy, caucasian ethnicity, closeup, computer software, data, email, employee, facial expression, finger, hand, information medium, internet, male, mature adult, middle aged, mobile app, mobile phone, modern office, networking, office, one man only, reading, remote work, scrolling, smart phone, surfing, telephone, touching, trader, using phone, web browser, web page, white, work place, working,