US8812625 Патенты
A computer-implemented method for method for tracking changes in an internet-accessible document is disclosed. The method includes providing, with a presentation server sys tem, data for producing a display of a document at a client computing device; receiving, at the presentation server sys tem from a data server system, a timestamp that is sent by the data server system in response to an indication by a user of the client computing device to record changes to the document, wherein the timestamp indicates a time after which changes have been made to the document; and providing from the presen
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