By Siva Vaidhyanathan, an associate professor of Media Studies and Law at the University of Virginia and is completing a book, "The Googlization of Everything."When Wired editor Chris Anderson found himself accused on the Virginia Quarterly Review blog of lifting passages from Wikipedia entries and other published sources in his new book, "Free: The Future of a Radical Price," he inadvertently revealed some of the most awkward truths about reading and writing in a digital environment. In our recent obsession with plagiarism, originality and copyright, we have conflated...