Ключевые слова: abstract, book, bookstore, college, computer, content, couch, desktop, digital, document, download, e reader, ebook, education, electronic, front, hand, happy, hipster, home, internet, isolated, laptop, learn, library, man, night, novel, object, online, person, poetry, publication, read, reader, reading, research, room, school, screen, social, software, study, studying, table, tablet, teaching, technology, touch, web,