A method and apparatus for providing specifically targeted advertisements and preventing various forms of advertising fraud in electronic books. In one embodiment, the method includes; receiving or having access to the contents of books; receiving or having access to subscriber target criteria; receiving,...http://www.google.de/patents/US7848951?utm_source=gb-gplus-sharePatent US7848951 - Method and apparatus for providing specifically targeted advertising and preventing various forms of advertising fraud in electronic books
