"This system effectively reorders literary encounters with the new. Sure, in the pre-Web days you could always dig up critical reviews of a novel that was published ten years ago. But those periodicals and reviewing publications would themselves be dated, perhaps even weathered, and their interpretations would be physically and conceptually bound to the past. Now, between blogs, reviews and our own continually extending social media conversations, it is possible to create clusters and conversations of newness around any book, no matter how old. The moment of initial surprise and inspiration is captured (well, a pale shadow of it anyway) through those architectures of literary connection, and then reproduced for the next browser in search of, well, the novel."

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"Even the smallest change in the original document will result in a new hash value. " MAY, they should say--just makes forgery DIFFICULT, not impossible