Ключевые слова: adult, background, business, businessman, caucasian, computer, concentration, concept, corporate, cyberspace, dark, desk, employee, evening, exhausted, frustration, internet, job, laptop, late, lifestyle, looking, male, man, modern, night, office, online, overtime, overworked, person, portrait, problem, professional, programmer, screen, serious, sitting, stress, stressed, table, technology, thinking, tired, using, white, work, worker, workplace, young,