Embodiments of the present invention provide method and apparatus for determining audience affinity and/or aptitude in portions of media works and for developing information that represent measures of the audience affinity and/or aptitude. Further embodiments of present invention provide method and apparatus...http://www.google.de/patents/US20030046080?utm_source=gb-gplus-sharePatent US20030046080 - METHOD AND APPARATUS TO DETERMINE AND USE AUDIENCE AFFINITY AND APTITUDE
