Ключевые слова: academic, background, book, business, college, communication, computer, concept, data, design, digital, ebook, education, elearning, electronic, flat, icon, idea, illustration, information, internet, knowledge, laptop, learn, learning, library, literature, media, modern, online, page, people, read, reading, research, school, science, sign, student, study, studying, symbol, teaching, technology, university, web, wisdom,