They've replaced it with something humans can actually browse. One of the librarians points out something we've all know for years: "People think of books by subject. Very few people say, 'Oh, I know Dewey by heart.'"
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.