An apparatus, program product, and method support the annotation of a hypertext document with one or more comments to supply additional information to a user about that document and/or about other documents linked to that document. With the latter type of comments, such comments are displayed to a user...http://www.google.com.au/patents/US6865713?utm_source=gb-gplus-sharePatent US6865713 - Apparatus, program product and method of annotating a hypertext document with comments
