Ключевые слова: business, businessman, class, cognition, communication, computer, concept, conference, connection, course, cyberspace, data, development, digital, distance, education, elearning, hand, icon, information, internet, laptop, learn, lesson, man, marketing, modern, network, online, person, sale, school, screen, seminar, social, student, study, tablet, technology, training, university, using, video, virtual, web, website, work, workshop,