An electronic document reader supplements a new document with selectable links that reference portions of previously read documents that have content similar to a passage of the new document. The portions of the previously read documents may be previously identified and stored in a memory to expedite...http://www.google.fr/patents/US6370551?utm_source=gb-gplus-shareBrevet US6370551 - Method and apparatus for displaying references to a user's document browsing history within the context of a new document
Method and apparatus for displaying references to a user's document browsing ...