Patent ID: 8413074

Claim:
A method for distributed review comprising: receiving, by a first node from a second node, an identifier of a file and first positioning information identifying a first portion of the file displayed on the second node; opening, on the first node, a copy of the file based on the identifier of the file; identifying a second portion in the copy of the file based on the first positioning information, wherein the second portion is a copy of the first portion; displaying the second portion on the first node; receiving, by the first node, a stop request to stop following the second node; after receiving the stop request and prior to receiving a resume request: receiving, from the second node, second positioning information identifying a third portion of the file displayed on the second node at a first point in time; receiving, from the second node, third positioning information identifying a fourth portion of the file displayed on the second node, wherein the fourth portion of the file is displayed on the second node after the third portion at a second point in time; receiving, from the second node, fourth positioning information identifying a fifth portion of the file displayed on the second node, wherein the fifth portion of the file is displayed on the second node after the fourth portion at a third point in time; and storing, by the first node, in a rendering history, the second positioning information associated with the first point in time, the third positioning information associated with the second point in time, and the fourth positioning information associated with the third point in time; receiving a resume request to resume following the second node starting at the second point in time; and displaying, only after receiving the resume request, a sixth portion on the first node, wherein the displaying is based on the third positioning information and the resume request to start at the second point in time, and wherein the sixth portion is a copy of the fourth portion.