Ключевые слова: abstract, adult, application, background, book, business, businessman, career, caucasian, computer, corporate, digital, ecommerce, education, executive, family, handsome, happiness, happy, holding, indoors, internet, layout, learning, lecture, looking, male, men, mobile, mockup, modern, notebook, office, online, person, professional, read, reading, relax, school, smartphone, social, standing, student, study, technology, touchscreen, wallpaper, working, young,