A system for processing text captured from rendered documents is described. The system receives a sequence of one or more words optically or acoustically captured from a rendered document by a user. The system identifies among words of the sequence a word with which an action has been associated. The...http://www.google.de/patents/US7894670?utm_source=gb-gplus-sharePatent US7894670 - Triggering actions in response to optically or acoustically capturing keywords from a rendered document
