And though it's not the presentation, its an aide de memoir of it (for those present). Better than one's own jotting, in that the specific lettering and diagr

And though it's not the presentation, its an aide de memoir of it (for those present). Better than one's own jotting, in that the specific lettering and diagram shapes are linked to the presentation (though the cognitive processing involved in one's own jotting is also valuable).