1. A method for annotating an electronic object, comprising: displaying the electronic object, the object having a first layer intrinsic therewith; receiving, via an annotation tool, an indication of an area of the object to be annotated; annotating a second layer, the second layer intrinsic with the object, by marking the area of the object specified by the annotation tool; displaying an annotation corresponding to the specified area, wherein the annotation is displayed in a third layer other than the second layer and the first layer.