A method to be executed at least in part in a computing device for tracking changes in a collaborative authoring environment, the method comprising: receiving, at a collaboration application , one or more of an edit and a comment associated with a collaboratively created content; subsequently receiving, at the collaboration application , a request for viewing the edits and the comments associated with the collaboratively created content; displaying, by the collaboration application , 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 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 , one or more of an edit and a comment associated with a collaboratively created content; subsequently receiving, at the collaboration application , a request for viewing the edits and the comments associated with the collaboratively created content; displaying, by the collaboration application , 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 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. <EOS>