desirable advantage that is otherwise generally impeded when a single document is available for annotation the adhesive aspect of the annotation sheet can conveniently enhance the ability of maintaining the annotations of the first participant proximal to the document for instance the annotation sheet of the first participant can be placed inside the back cover of the document the insert can be any size and is preferably substantially the same size as the document of interest e g the page of a book to be annotated common page sizes for use with books range from 2 u00bd inches by 3 u00bd inches to 8 by 10 u00bd inches additionally sizes can include larger sizes such as maps and textbooks by u201c substantially the same size u201d it is meant that the length and width of the insert aside from the tabs is within 10 of the size of the document to be annotated in one embodiment the inserts are slightly smaller than the pages of a book so that they can be easily inserted into a book it may be preferable that the insert be slightly smaller than the page so that the insert can completely fit within the book or document except for the tabs.