Ключевые слова: adult, background, business, businessman, busy, casual, caucasian, closeup, communication, computer, desktop, device, hand, hands, indoors, information, internet, internet wireless, job, keyboard, laptop, lifestyle, male, man, marketing connection, modern, network, notebook, occupation, office, online, pc, people, person, professional, research study, sitting, student blogger, table, technology, typing, using, web, white, wireless, work, worker, workplace, young,