graphically distinguish between a first portion of the first content displayed on the display screen of the second computing device and a second portion of the first content displayed on the display screen of the second computing device, wherein the first portion of the first content has been selected by the first user for review by the second user. [0110] Example Clause J, the system of Example Clause I, wherein the first portion of the first content is graphically distinguished from the second portion of the first content via highlighting. [0111] Example Clause K, a method comprising: causing first content of a shared data to be displayed on a display screen of a first computing device associated with a first user, wherein the shared data is accessible to a plurality of users in a multi-user sharing session; causing second content of the shared data to be displayed on a display screen of a second computing device associated with a second user, wherein the second content is different than the first content; receiving, from the first computing device, a request for the second user to view the first content; responsive to receiving the request, causing a user interface element to be displayed on the display screen of the second computing device, the user interface element indicating that the second user has been requested to view the first content; receiving an indication that the user interface element has been selected by the second user; and responsive to receiving the indication that the user interface element has been selected by the second user, causing the first content to be displayed on the display screen of the second computing device. [0112] Example Clause L, the method of Example Clause K, wherein causing the first content to be displayed on the display screen of the second computing device comprises changing a view of the second content to a view of the first content. [0113] Example Clause M, the method of Example Clause K or Example Clause L, wherein the shared data comprises a digital whiteboard and the first content comprises off screen content when the second content is being displayed on the display screen of the second computing device. [0114] Example Clause N, the method of any one of Example Clauses K through M, wherein the user interface element displayed on the display screen of the second computing device is graphically associated with a graphical representation of the first user. [0115] Example Clause O, the method of any one of Example Clauses K through N, wherein: the user interface element displayed on the display screen of the second computing device comprises a graphical representation of the first user; and the method further comprises altering a visual appearance of the graphical representation of the first user to