Ключевые слова: app, book, browsing, business, certificate, college, computer, course, device, digital, education, elearning, home, information, internet, knowledge, laptop, learn, learning, lesson, library, lifestyle, man, media, mobile, network, online, pc, people, person, research, school, smartphone, social, student, study, studying, tablet pc, technology, training, university, using, web, wireless, working, young,