The present invention allows computer users to integrate any annotation, including ink, highlighter, text-based notes and audio, directly into a Web-based document (WBD) displayed by a Web browser. This integration enables others to view the personalized annotated WBD, which retains its original active...http://www.google.ca/patents/US6859909?utm_source=gb-gplus-sharePatent US6859909 - System and method for annotating web-based documents
