A computer system comprises an image capture device (10) for capturing an image of a paper document (such as a newspaper article or advertisement) to produce captured image information, and keys or the like for enabling a user to select one of a plurality of options (such as “view” or “order”)...http://www.google.com.hk/patents/US7027652?utm_source=gb-gplus-share專利 US7027652 - Information capture and processing
