Ключевые слова: alternative, background, black, blank, book, college, copy, dark, device, ebook, education, elearning, electronic, empty, ereader, format, gadget, hands, hobby, information, internet, knowledge, learn, learning, library, literature, male, man, media, modern, online, people, person, read, reading, screen, smart, space, story, student, study, studying, tablet, technology, text, top, view, virtual, web,