Ключевые слова: accessibility, background, book, books, business, classroom, closeup, college, communication, computer, concept, connection, desk, digital, distance, education, electronic, equipment, exam, group, information, internet, knowledge, laptop, learn, library, mobility, modern, monitor, nobody, notebook, office, online, open, pile, reading, school, stack, student, study, subject, table, technology, textbook, virtual, white, wireless, wisdom, work,