Ключевые слова: audience, book, browsing, business, businessman, classroom, computer, conference, corporate, course, cyberspace, education, elearning, employee, group, hand, icon, indoor, information, internet, job, laptop, learn, learning concept, lesson, man, meeting, office, online, person, professional, project, school, screen, seminar, smart, student, study, studying, technology, training, university, using, video, virtual, web, website, wireless, work, workshop,