“You loaded the software and typed in the search words. Say you’d been arrested for drunk driving or soliciting a prostitute, or you’d been in a gossip page biting the ear of some pretty young thing in a nightclub. Or, for that matter, you had been charged by the SEC with swindling your shareholders. You typed in your name, along with “drunk driving” or “prostitute” or “ear” or “embezzling.” Spider Repellent found all the references to you on the Web and –deleted them.”
Page 117, Boomsday, by Christopher Buckley
Is such a thing possible? Does it already exist? No idea. Would people pay anything to get their hands on it if did exist? Oh, yes.