A method to be executed at least in part in a computing device (104, 106, 108, 116, 230, 236, 350, 356, 364) for tracking changes in a collaborative authoring environment, the method comprising: receiving, at a collaboration application (110, 224), one or more of an edit and a comment associated with a collaboratively created content; subsequently receiving, at the collaboration application (110, 224), a request for viewing the edits and the comments associated with the collaboratively created content; displaying, by the collaboration application (110, 224), a summary of the edits and the comments associated with the collaboratively created content, wherein displaying the summary of the edits and the comments comprises displaying a name of a co-author, a type, a time, and a summary of each edit and comment; in response to selection of one of the edits and comments from the summary, displaying details of the selected one of the edits and comments and providing additional controls (490, 512) for sending a text message, attaching a note, and replying to a comment; and enabling an author viewing the selected one of the edits and comments to communicate with the co-author responsible for the selected one of the edits and comments through notes, comments, or email, presenting, by a user interface, the collaboratively created content with editing controls, listing, in a complementary user interface adjacent to the presented collaboratively created content, a list of changes, who made the change, and when, tying the latest change also to a highlighted portion of the content associated with the change, while indicating older changes in summary form only, enabling the author to select a portion of content within the presented collaboratively created content and see who among the co-authors has processed the selected portion of content through a collaboration pane. receiving, at a collaboration application (110, 224), one or more of an edit and a comment associated with a collaboratively created content; subsequently receiving, at the collaboration application (110, 224), a request for viewing the edits and the comments associated with the collaboratively created content; displaying, by the collaboration application (110, 224), a summary of the edits and the comments associated with the collaboratively created content, wherein displaying the summary of the edits and the comments comprises displaying a name of a co-author, a type, a time, and a summary of each edit and comment; in response to selection of one of the edits and comments from the summary, displaying details of the selected one of the edits and comments and providing additional controls (490, 512) for sending a text message, attaching a note, and replying to a comment; and enabling an author viewing the selected one of the edits and comments to communicate with the co-author responsible for the selected one of the edits and comments through notes, comments, or email, presenting, by a user interface, the collaboratively created content with editing controls, listing, in a complementary user interface adjacent to the presented collaboratively created content, a list of changes, who made the change, and when, tying the latest change also to a highlighted portion of the content associated with the change, while indicating older changes in summary form only, enabling the author to select a portion of content within the presented collaboratively created content and see who among the co-authors has processed the selected portion of content through a collaboration pane.