Popup notes... The popup menu system utilized within Notes is an example of the popup menus developed for use within Nova as early as 1987. This system was developed with the idea that the user should nothave to rollerskate to the menu, the menu should come to the user! The next page describes the use of the popup menu. SUBJECTS HELP Using the popup menu. To make a selection with a popup menu, first cause the menu to materialize by holding down the right mouse button. Next, move the mouse pointer over the desired selection. This action will cause the menu item to be highlited. To complete the selection, press the left mouse button and release the right.