A system for interactive note-taking is provided having a receiver for receiving interaction data from a note-taking device used to interact with a note-taking form having note-taking information and a plurality of coded tags printed thereon, and a processor for recording or retrieving the note-taking...http://www.google.fr/patents/US7783109?utm_source=gb-gplus-shareBrevet US7783109 - System for interactive note-taking
